# Pressure washing equipment list: machines by PSI and GPM, with 2026 costs

> A professional pressure washing equipment list starts with a 4 GPM, 4,000 PSI gas machine (about $1,700 to $2,000 at dealer prices seen in October 2026), a 16 to 20 inch surface cleaner ($600 to $900), 150 to 200 feet of 4,000 PSI hose, a 12-volt soft wash pump and safety gear: about $3,500 to $5,000 before a vehicle. A 5.5 to 8 GPM machine, a hot water unit and a trailer come when the schedule is full.

Published 2026-11-06 by Broombook · Run the day to day · 15 min read  
Canonical page: https://broombook.com/guides/pressure-washing-equipment-list

## Key takeaways

- Flow cleans, pressure cuts: a 4 GPM machine rinses a driveway faster than a 2 GPM machine at the same PSI, so buy GPM first.
- Dealer prices in October 2026: 4 GPM/4,000 PSI Honda GX390 direct drive about $1,690, belt drive about $1,994, 5.5 GPM/3,500 PSI belt drive $4,273, 8 GPM/3,500 PSI $3,599 to $5,295.
- Surface cleaners: BE 16-inch $608.96, BE 20-inch $639.76, 24-inch stainless $1,248.72; a 20-inch unit suits a 4 GPM machine.
- Buy the machine, surface cleaner and hoses; rent a hot water unit for the first grease jobs; finance a trailer rig only against booked commercial work.
- Change pump oil on schedule, never run the pump dry or in bypass for long, and winterize every line in freezing climates: those three habits prevent most failures.
- A hypothetical lean start lands near $4,300 in equipment, before insurance, registration and a vehicle.

## What is on a professional pressure washing equipment list?

A professional list has six groups: the pressure washer, a surface cleaner, hoses and reels, a soft wash setup, chemicals, and safety and site gear. A lean, professional version of each group costs about $3,500 to $5,000 at October 2026 dealer prices, before a vehicle or trailer.

Our guide on [how to start a pressure washing business](https://broombook.com/guides/pressure-washing-business) covers the business side (registration, insurance, pricing, wash water rules and first clients) with a short equipment table. This page is the deep version of that table: which machine, which size of surface cleaner, what hose, what the trailer needs, and when to rent or finance instead of buying.

### The pressure washing equipment list by tier

| Tier | Equipment | Dealer price range (October 2026) | Fits |
| --- | --- | --- | --- |
| Starter | 4 GPM / 4,000 PSI gas machine (direct drive), 16 to 20 inch surface cleaner, 150 to 200 ft of 4,000 PSI hose, gun, wand and nozzle set, downstream injector, 12-volt soft wash pump with a 25 to 50 gallon tank, ladder, PPE, drain covers | $3,500 to $5,000 | Residential driveways, patios, house washes, fences; pickup bed |
| Standard | Starter kit plus a belt-drive 5.5 to 8 GPM machine, 24-inch surface cleaner, hose reels, 200 to 300 gallon water tank, dedicated soft wash system with chemical-rated hose and reel, utility trailer | $9,000 to $15,000 | Full-time residential plus HOA, apartment and small commercial flatwork |
| Pro | Standard kit plus a hot water unit (4 to 6 GPM), a second cold machine so two techs work at once, water recovery and vacuum, enclosed or built trailer, generator | $20,000 to $40,000 and up | Restaurants, fleets, dumpster pads, gum and grease, large commercial contracts |

Most owners start in the starter tier with a pickup, then move to the standard tier once they are turning down work. The pro tier is a decision about which customers you want, not a natural next step.

## Which pressure washer should you buy: PSI, GPM, direct drive or belt drive?

Buy a gas machine around 4 GPM and 4,000 PSI with a triplex pump for your first unit. Flow (gallons per minute) is what rinses dirt away and sets how fast you finish a driveway; pressure (PSI) is what cuts, and most surfaces need less of it than you think. Cleaning units (PSI multiplied by GPM) is a fair way to compare machines: 4,000 PSI at 4 GPM is 16,000, while a homeowner electric at 2,030 PSI and 1.2 GPM is about 2,400.

| Machine | Dealer price seen (October 2026) | Use |
| --- | --- | --- |
| Electric, 2,030 PSI, 1.2 GPM (Sun Joe SPX3000) | $169.00 on [Sun Joe’s own store](https://shopjoe.com/products/sun-joe-spx3000-14-5-amp-electric-pressure-washer) | Homeowner tool; fine for practicing and for a small patio, too slow to sell by the job |
| Gas, 4,000 PSI, 4.0 GPM, Honda GX390, direct drive triplex pump | $1,690 (Comet pump) to $1,698 (General pump) on [PressureTek’s pressure washer listings](https://pressuretek.com/equipment-softwash/pressure-washers/pressure-washers/) | The standard first professional machine for driveways, house washes and decks |
| Gas, 4,000 PSI, 4.0 GPM, belt drive | Pressure-Pro belt drive with General pump $1,994.15 on PressureTek | Same output, slower pump speed, cooler running, longer pump life for daily use |
| Gas, 3,000 PSI, 5.0 GPM, skid mount, Honda | $1,525 on [PressureWasherProducts](https://shop.pressurewasherproducts.com/products/5-gpm-3000-psi-pressure-washer-skid-mounted-cold-honda-approved) | More flow at lower pressure: faster flatwork and rinsing, gentler on surfaces |
| Gas, 3,500 PSI, 5.5 GPM, belt drive | $4,273 on PressureTek | Full-time flatwork, larger surface cleaners |
| Gas, 3,500 PSI, 8 GPM, skid or belt drive | $3,599 on [PressureWasherProducts](https://shop.pressurewasherproducts.com/products/8-gpm-3500-psi-skid-cold-pressure-washer-tips-only) (skid, Honda); $5,295 for a Pressure-Pro belt drive on PressureTek | Commercial flatwork, parking garages, two-wand setups; needs a water tank because few spigots supply 8 GPM |
| Hot water, 4,000 PSI, 4.0 GPM, Honda GX390 | $5,200 on PressureTek | Grease, oil, gum, dumpster pads, restaurant and fleet work |

### Reading a spec sheet

Makers publish the same numbers, so compare them line by line. Simpson’s [ALH4240](https://simpsoncleaning.com/products/alh4240/), for example, is listed as 4,200 PSI at 4.0 GPM with a Honda GX390 engine and a CAT triplex pump, which is the typical professional spec. Look for a triplex plunger pump (not an axial cam pump), a commercial engine (Honda GX, Kohler, Vanguard), a thermal relief valve, and an unloader you can adjust. Direct drive is cheaper and more compact; belt drive runs the pump at lower RPM, which is why daily users pay the premium.

### Water supply

A machine can only pump what the hose delivers. Many residential spigots supply 4 to 6 GPM, so a 4 GPM machine runs from a spigot while an 8 GPM machine needs a tank that the spigot refills while you work. Measure a customer’s spigot with a 5-gallon bucket and a stopwatch during the estimate.

## Which surface cleaner, nozzles and accessories do you need?

Buy a surface cleaner the day you buy the machine. It turns driveway cleaning from a striped, two-hour wand job into an even, twenty-minute pass, and it is the piece of pressure washing business equipment that customers notice in the result.

Match the size to the flow: a 16 to 20 inch cleaner suits a 4 GPM machine; 24 inches and up wants 5.5 GPM or more. On [Ultimate Washer’s surface cleaner listings](https://www.ultimatewasher.com/collections/pressure-washer-surface-cleaners) in October 2026, a BE 16-inch 4,000 PSI surface cleaner was $608.96, a BE 20-inch Whirl-A-Way $639.76, a 24-inch stainless steel Whirl-A-Way $1,248.72, and a Mosmatic 30-inch stainless industrial unit $2,473.96. Stainless housings and swivel casters cost more and last; a plastic housing is fine for a first year of residential work.

### Nozzles and guns

- **Nozzle set sized to your machine.** Nozzle orifice size depends on GPM and PSI; a nozzle for a 2.5 GPM homeowner unit will run your 4 GPM machine in bypass and overheat the pump. Dealers publish nozzle charts; buy 15, 25 and 40 degree tips plus a soap nozzle in the right size.
- **Trigger gun and wand.** A commercial gun rated above your machine’s PSI, a 36 to 48 inch wand, and a short gun for tight spaces.
- **Extension wand or telescoping pole.** For second-story soffits and gutters without a ladder, with a belt to carry the weight.
- **Turbo (rotary) nozzle.** For spot cleaning heavy grime on concrete only; it will carve wood and soft masonry.

## How much hose, and which reels?

Carry 150 to 200 feet of high-pressure hose rated at or above your machine’s PSI, plus 100 to 200 feet of garden hose for supply. That reaches the back of a typical lot without moving the truck, and the time you save moving a machine is worth more than the hose.

On [PressureTek’s high-pressure hose listings](https://pressuretek.com/hose-connections/high-pressure-hose/) in October 2026, 4,000 PSI hose started at $82.18 (Suttner) and $83.85 (KobraJet) per section, 4,500 PSI hose at $75.32, and 6,000 PSI hose at $97.24 to $115.62, with price depending on length. Buy hose in 50 or 100 foot sections with quick connects so a damaged section is swapped, not the whole run. Non-marking hose matters on light concrete and pool decks.

### Reels

Three reels cover a standard rig: one for pressure hose, one for garden hose and one for the soft wash line. A reel keeps hose off hot pavement and out of chemicals, and winds in minutes what takes a quarter hour by hand. Electric rewind reels are a standard-tier upgrade for 300-foot runs.

### Fittings

Stainless quick connects, a swivel at the gun, a ball valve at the machine, and spare o-rings in the truck. A $4 o-ring is the most common reason a rig stops working on site.

## What does a soft wash setup need?

Soft washing applies a cleaning solution at low pressure and lets the chemistry do the work, so the equipment is a pump, a tank and chemical-safe hose rather than more PSI. Siding, roofs, stucco and painted surfaces are soft wash jobs; blasting them with 4,000 PSI damages them.

- **Downstream injector (starter).** Pulls solution into the pressure hose after the pump, at a fixed low ratio. Cheap and simple, but the ratio is too weak for roofs and it sends chemical through your hose and gun.
- **12-volt pump system (standard).** A diaphragm pump, battery, 25 to 100 gallon poly tank, chemical-rated hose on a reel and a low-pressure gun. Lets you mix a stronger solution for roofs and keep chemical out of the pressure washer entirely.
- **Air diaphragm or proportioning systems (pro).** Higher output and adjustable mix at the gun for crews doing several roofs a day.
- **Chemicals.** Sodium hypochlorite (pool-grade bleach), a surfactant so it clings, and separately stored degreaser, oxalic or citric acid for rust and wood brightening, and a neutralizer. Never mix hypochlorite with acids or ammonia, store it in the shade, and keep its safety data sheet on the truck.

Soft wash chemicals kill plants and stain surfaces if they drift, so a hose for rinsing landscaping, tarps and a plan for runoff are part of the kit. The wash water section of the pressure washing business guide covers where it can and cannot go.

## Truck bed or trailer: how do you carry it all?

Start in a pickup bed and move to a trailer when you add a water tank. Water weighs about 8.3 pounds a gallon, so a 200-gallon tank is roughly 1,700 pounds before the machine, which is why most tank rigs live on a trailer.

### Pickup bed

A 4 GPM machine, a surface cleaner, three reels on a frame, a 50-gallon soft wash tank and a ladder fit in a full-size bed with a rack. Bolt the machine and tank frame to the bed, keep chemicals in a separate box, and leave room for the drain covers, tarps and trash bags you will use every day.

### Trailer

A 6x10 to 6x12 utility trailer, tandem axle for the bigger tanks, carries a belt-drive machine, a 200 to 325 gallon water tank, three reels, a soft wash system and a toolbox, and it stays packed between jobs. Check the payload rating first: a full 325-gallon tank is about 2,700 pounds of water, more than a typical 5x8 single-axle trailer such as Carry-On’s [5X8GW](https://www.carry-ontrailer.com/models/5x8gw/) (2,340 pounds of payload) is rated to carry. Makers also sell complete trailers: Simpson’s [mobile trailer pressure washers](https://simpsoncleaning.com/pressure-washers/mobile-trailer-pressure-washers/) page lists cold water trailers at 3,200 PSI / 2.8 GPM and 4,200 PSI / 4.0 GPM, hot water trailers at 3,500 PSI / 5.5 GPM, and a 4,000 PSI / 6.0 GPM diesel hot water trailer. A built trailer costs more than assembling one, but it arrives plumbed, balanced and warrantied. Whatever you tow, check your state’s trailer registration and brake rules, and tell your insurer the trailer and the equipment on it exist.

### Site gear that rides along

- Drain covers, berms and a wet/dry vacuum or recovery mat for wash water control
- Cones, a sandwich board and caution tape for sidewalks and parking lots
- Tarps and plastic sheeting for landscaping, fixtures and electrical boxes
- A 5-gallon bucket, stopwatch, flow meter and pressure gauge for the estimate and the setup
- Fuel cans, pump oil, spare belts, spare o-rings and nozzles, a tool roll

## What safety gear belongs on a pressure washing rig?

Every tech needs eye protection, hearing protection, chemical-resistant gloves and boots with grip, plus a respirator rated for the chemicals when spraying hypochlorite overhead. A 4,000 PSI stream injects water under skin and cuts through a sneaker, so the gear is not optional and it is cheap next to a claim.

- Safety glasses or goggles, plus a face shield for roofs and overhead soft wash
- Ear protection for gas machines; a GX390 at full throttle is loud for an eight-hour day
- Nitrile or neoprene gloves, rubber boots with slip-resistant soles, long sleeves for chemical work
- A half-face respirator with cartridges rated for chlorine when the label calls for it
- Ladder, standoff and a fall plan: stay off wet roofs, use poles and wands from the ground where you can
- First aid kit, eyewash bottle, fire extinguisher near the gas machine

Put the gear on the job checklist so it is checked, not assumed. The free [cleaning checklist maker](https://broombook.com/tools/cleaning-checklist-template) works for a rig setup list as well as it does for a house.

## Should you buy, rent or finance pressure washing equipment?

Buy the first machine, the surface cleaner and the hoses outright. Rent a hot water unit for the first few grease and gum jobs. Finance a trailer rig or a second machine only against commercial work that is already booked.

### Buy

The starter kit is under $5,000 and earns its cost back in a few weeks of booked residential work. A used belt-drive machine from a retiring contractor is often the best value in the trade; test it under load and check the pump for oil milkiness (water in the crankcase) before paying.

### Rent

Makers and dealers rent professional units. Pressure-Pro’s [rental page](https://www.pressure-pro.com/products/rent-a-pressure-washer/), for example, lists a 4 GPM, 4,000 PSI Honda GX390 hot water unit it describes as ideal for gum, graffiti, grease and heavily soiled areas, available through its rental centers. Renting a hot water unit for a dumpster pad or restaurant job lets you quote the work, learn it and decide whether the demand is real before you spend $5,200 or more. Put the rental in the quote.

### Finance

Hotsy’s [financing page](https://www.hotsy.com/en/about-us/why-hotsy/financing-a-pressure-washer.html) describes dealer partnerships with financing companies and programs that tailor the monthly payment, and most pro-grade makers offer something similar. The test is simple: the payment should be a small share of the gross profit from the contracts the machine will serve, and you should be able to name those contracts. A $12,000 hot water trailer financed against a signed monthly restaurant route is sound; the same trailer financed against hope is how rigs end up for sale in the spring. Our guide to [cleaning business insurance](https://broombook.com/guides/cleaning-business-insurance) covers tools and equipment coverage for gear that travels to jobs.

## What should you buy first, and how do you keep the machine running?

Buy in this order: machine, surface cleaner, hose and fittings, PPE and site gear, then the soft wash pump. Then protect the pump: it is the most expensive part of the machine and almost every pump failure is caused by the operator, not the pump.

### Order of purchase

1. 4 GPM / 4,000 PSI gas machine with a triplex pump and the correct nozzle set
2. 16 to 20 inch surface cleaner
3. 150 to 200 feet of pressure hose, garden hose, quick connects, spare o-rings
4. PPE, drain covers, tarps, cones, fuel cans, pump oil
5. Downstream injector now; 12-volt soft wash system when you book the first roof
6. Reels and a trailer when the bed is full and you are losing time packing

### Maintenance routine

- **Every job:** connect water and purge air before starting the engine, never run the pump dry, never leave the trigger released for more than a minute or two with the engine running (bypass heats the pump), and flush the injector with clean water after chemicals.
- **Every day:** check engine oil and pump oil levels and color, clean the inlet filter screen, inspect hose for cuts and the gun for leaks, rinse the surface cleaner and spin its swivel.
- **On schedule:** change engine oil per the engine manual, change pump oil as the pump maker specifies (a first early change, then at set hour intervals), replace nozzles when the pressure gauge drops at the same setting, check belts and unloader.
- **Before freezing weather:** run pump antifreeze through the pump, drain every hose, reel, tank and the soft wash pump, and store the machine indoors. A cracked pump head is a winter’s profit gone.

Log engine hours and oil changes on the machine itself with a label, and keep the same note on the job in your scheduling software. In Broombook, a recurring internal job ("pump oil, every 3 months", which is General Pump’s [schedule after the break-in change](https://images.kleen-ritecorp.com/Documents/Manuals/General%20Pump/GPO100216/General%20Pump%20Industrial%20Pump%20Oil%20Series%20100%20Data%20Sheet.pdf), or every 300 hours if that comes first) sits on the calendar like any customer job.

## A worked startup equipment budget (hypothetical numbers)

Here is a hypothetical starter budget for a solo owner with a pickup, using the October 2026 dealer prices above and estimates for small items. It assumes residential driveways, patios and house washes, no hot water and no trailer.

| Item | Cost |
| --- | --- |
| 4,000 PSI / 4.0 GPM Honda GX390 direct drive machine | $1,690 |
| BE 20-inch surface cleaner | $640 |
| 200 ft of 4,000 PSI hose in sections, garden hose, fittings, spare o-rings (hose from listings, rest estimated) | $450 |
| Commercial gun, wand, nozzle set, turbo nozzle, extension wand (estimate) | $250 |
| 12-volt soft wash pump, battery, 50-gallon tank, chemical hose, low-pressure gun (estimate) | $600 |
| Sodium hypochlorite, surfactant, degreaser, wood brightener for the first month (estimate) | $200 |
| PPE, drain covers, tarps, cones, fuel cans, pump oil, tool roll (estimate) | $350 |
| Bed rack and tie-downs (estimate) | $150 |
| **Total before vehicle, insurance, registration and marketing** | **About $4,330** |

If a driveway and walkway job is priced at a hypothetical $250 and you complete two a day, four days a week, the rig is paid for in about nine working days of gross revenue, before fuel, chemicals and your time. Price your own jobs with the [cleaning estimate template](https://broombook.com/tools/cleaning-estimate-template) and check the margin in the [cleaning business profit calculator](https://broombook.com/tools/cleaning-business-profit-calculator).

## Frequently asked questions

### What equipment do I need to start a pressure washing business?

A gas pressure washer around 4 GPM and 4,000 PSI with a triplex pump, a 16 to 20 inch surface cleaner, 150 to 200 feet of 4,000 PSI hose, a gun, wand and nozzle set, a downstream injector or 12-volt soft wash pump, chemicals, PPE, drain covers and tarps. At October 2026 dealer prices that is about $3,500 to $5,000 before a vehicle.

### What PSI and GPM do professional pressure washers use?

Most residential pros run 4 GPM at 3,500 to 4,200 PSI; commercial flatwork crews run 5.5 to 8 GPM at 3,000 to 3,500 PSI. Flow matters more than pressure for speed, so compare machines by GPM first and by cleaning units (PSI times GPM) second.

### How much does a commercial pressure washer cost?

In October 2026, a 4 GPM / 4,000 PSI Honda GX390 direct drive machine listed at about $1,690 on PressureTek, a belt drive version at about $1,994, a 5 GPM / 3,000 PSI skid at $1,525 on PressureWasherProducts, 5.5 GPM / 3,500 PSI belt drive at $4,273, 8 GPM units at $3,599 to $5,295, and a 4 GPM hot water unit at $5,200.

### Is a surface cleaner necessary?

Yes, for any flatwork you want to sell. A surface cleaner gives an even, stripe-free finish in a fraction of the time a wand takes. A 16 to 20 inch unit ($609 to $640 for BE models at Ultimate Washer in October 2026) matches a 4 GPM machine; 24 inch and larger units need more flow.

### Do I need a hot water pressure washer?

Not to start. Hot water matters for grease, oil, gum and fleet work. Rent a hot water unit for your first few of those jobs and buy one (about $5,200 and up at dealers in October 2026) once the demand is steady.

### Do I need a trailer for a pressure washing business?

No. A 4 GPM machine, surface cleaner, reels and a small soft wash tank fit in a pickup bed. You need a trailer once you add a 200-gallon or larger water tank, since water weighs about 8.3 pounds per gallon, or a second machine and a hot water unit.

### What is the difference between direct drive and belt drive pressure washers?

A direct drive pump bolts to the engine and spins at engine speed; it is cheaper and more compact. A belt drive pump spins slower on a belt, runs cooler and generally lasts longer under daily use, and it costs a few hundred dollars more at the same output.

## Sources

- [PressureTek: gas pressure washers (dealer prices, October 2026)](https://pressuretek.com/equipment-softwash/pressure-washers/pressure-washers/)
- [PressureTek: high-pressure hose](https://pressuretek.com/hose-connections/high-pressure-hose/)
- [Ultimate Washer: pressure washer surface cleaners](https://www.ultimatewasher.com/collections/pressure-washer-surface-cleaners)
- [Simpson: ALH4240 professional gas pressure washer specifications](https://simpsoncleaning.com/products/alh4240/)
- [Pressure-Pro: rent a pressure washer](https://www.pressure-pro.com/products/rent-a-pressure-washer/)
- [Hotsy: financing a pressure washer](https://www.hotsy.com/en/about-us/why-hotsy/financing-a-pressure-washer.html)
- [PressureWasherProducts: 5 GPM / 3,000 PSI skid pressure washer](https://shop.pressurewasherproducts.com/products/5-gpm-3000-psi-pressure-washer-skid-mounted-cold-honda-approved)
- [PressureWasherProducts: 8 GPM / 3,500 PSI skid pressure washer](https://shop.pressurewasherproducts.com/products/8-gpm-3500-psi-skid-cold-pressure-washer-tips-only)
- [Sun Joe: SPX3000 electric pressure washer](https://shopjoe.com/products/sun-joe-spx3000-14-5-amp-electric-pressure-washer)
- [Simpson: mobile trailer pressure washers](https://simpsoncleaning.com/pressure-washers/mobile-trailer-pressure-washers/)
- [General Pump: Series 100 pump oil data sheet (oil change intervals)](https://images.kleen-ritecorp.com/Documents/Manuals/General%20Pump/GPO100216/General%20Pump%20Industrial%20Pump%20Oil%20Series%20100%20Data%20Sheet.pdf)
- [Carry-On Trailer: 5X8GW utility trailer specifications](https://www.carry-ontrailer.com/models/5x8gw/)

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