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Gas Pressure Washers

Gas-powered pressure washers from Mi-T-M for contractors and facilities without convenient power access. Belt-drive cold-water models around 3,000 PSI run on Honda, Kohler, and Mi-T-M engines for heavy outdoor cleaning.

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Original price $1,990.00 - Original price $1,990.00
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$1,990.00 - $1,990.00
Current price $1,990.00

Mi-T-M WP-4200-0MKB Gasoline Pressure Washer – 4200 PSI, 3.4 GPM, Kohler CH440

Mi-T-M
In stock

WP-4200-0MKB Gas Pressure Washer — Work Pro 4200 PSI with Kohler CH440 The Mi-T-M Work Pro WP-4200-0MKB pairs the Work Pro 4,200 PSI output with a...

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Original price $1,990.00 - Original price $1,990.00
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Current price $1,990.00
Original price $1,780.00 - Original price $1,780.00
Original price
$1,780.00
$1,780.00 - $1,780.00
Current price $1,780.00

Mi-T-M WP-4200-0MHB Gasoline Pressure Washer – 4200 PSI, 3.4 GPM, Honda GX390

Mi-T-M
In stock

WP-4200-0MHB Gas Pressure Washer — Work Pro 4200 PSI with Honda GX390 The Mi-T-M Work Pro WP-4200-0MHB is the highest-output model in the Work Pro...

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Original price $1,780.00 - Original price $1,780.00
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Original price $1,849.00 - Original price $1,849.00
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Current price $1,849.00

Mi-T-M WP-3600-0MKB Gasoline Pressure Washer – 3600 PSI, 2.8 GPM, Kohler CH395

Mi-T-M
In stock

WP-3600-0MKB Gas Pressure Washer — Work Pro 3600 PSI with Kohler CH395 The Mi-T-M Work Pro WP-3600-0MKB is the Kohler-powered version of the Work ...

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Original price $1,849.00 - Original price $1,849.00
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Original price $1,665.00 - Original price $1,665.00
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Current price $1,665.00

Mi-T-M WP-3600-0MHB Gasoline Pressure Washer – 3600 PSI, 2.8 GPM, Honda GX270

Mi-T-M
In stock

WP-3600-0MHB Gas Pressure Washer — Work Pro 3600 PSI with Honda GX270 The Mi-T-M Work Pro WP-3600-0MHB delivers 3,600 PSI at 2.8 GPM — 10,080 clea...

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Original price $1,665.00 - Original price $1,665.00
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Original price $1,222.00 - Original price $1,222.00
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$1,222.00
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Current price $1,222.00

Mi-T-M WP-3200-0MKB Gasoline Pressure Washer – 3200 PSI, 2.4 GPM, Kohler CH270

Mi-T-M
In stock

WP-3200-0MKB Gas Pressure Washer — Work Pro Series with Kohler CH270 Engine The Mi-T-M Work Pro WP-3200-0MKB is the Kohler-powered configuration o...

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Original price $1,222.00 - Original price $1,222.00
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Original price $1,229.00 - Original price $1,229.00
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$1,229.00
$1,229.00 - $1,229.00
Current price $1,229.00

Mi-T-M WP-3200-0MHB Gasoline Pressure Washer – 3200 PSI, 2.4 GPM, Honda GX200

Mi-T-M
In stock

WP-3200-0MHB Gas Pressure Washer — Work Pro Series with Honda GX200 Engine The Mi-T-M Work Pro WP-3200-0MHB produces 3,200 PSI at 2.4 GPM using a ...

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Original price $1,229.00 - Original price $1,229.00
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Current price $1,229.00
Original price $1,498.00 - Original price $1,498.00
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Current price $1,498.00

Mi-T-M CM-4200-0MMB Gasoline Pressure Washer – 4200 PSI, 3.4 GPM, 14280 CU

Mi-T-M
In stock

CM-4200-0MMB Gas Pressure Washer — 4200 PSI ChoreMaster for Heavy Equipment Washing The Mi-T-M ChoreMaster CM-4200-0MMB is the highest-output mode...

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Original price $1,498.00 - Original price $1,498.00
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Original price $1,400.00 - Original price $1,400.00
Original price
$1,400.00
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Current price $1,400.00

Mi-T-M CM-3600-0MMB Gasoline Pressure Washer – 3600 PSI, 2.8 GPM, 10080 CU

Mi-T-M
In stock

CM-3600-0MMB Gas Pressure Washer — 3600 PSI ChoreMaster with AR Crankshaft Pump The Mi-T-M ChoreMaster CM-3600-0MMB steps up from the CM-3000 with...

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Original price $1,400.00 - Original price $1,400.00
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Current price $1,400.00
Original price $992.00 - Original price $992.00
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$992.00
$992.00 - $992.00
Current price $992.00

Mi-T-M ChoreMaster CM-3200-0MMB Gas Pressure Washer – 3200 PSI, 2.4 GPM, 212cc OHV

Mi-T-M
In stock

CM-3200-0MMB Gas Direct Drive Pressure Washer — 3200 PSI Crankshaft Pump for Job Site and Property Cleaning The Mi-T-M ChoreMaster CM-3200-0MMB is ...

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Original price $992.00 - Original price $992.00
Original price
$992.00
$992.00 - $992.00
Current price $992.00
Original price $1,246.00 - Original price $1,246.00
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$1,246.00
$1,246.00 - $1,246.00
Current price $1,246.00

Mi-T-M CM-3000-0MMB Gasoline Pressure Washer – 3000 PSI, 2.4 GPM, 7200 CU

Mi-T-M
In stock

CM-3000-0MMB Gas Pressure Washer — 3000 PSI Direct Drive for Contractors The Mi-T-M ChoreMaster CM-3000-0MMB is a compact, direct-drive gasoline p...

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Original price $1,246.00 - Original price $1,246.00
Original price
$1,246.00
$1,246.00 - $1,246.00
Current price $1,246.00

Gas Pressure Washers for Contractor, Fleet, and Industrial Cleaning

PSI and GPM Bands That Match Real Job-Site Demand

Gas pressure washers carry the workload electric units cannot. The 2,000–3,000 PSI band handles fleet washing, farm equipment, and light concrete. The 3,500–4,000 PSI band is the working range for sidewalks, parking lots, graffiti removal, and heavy concrete. Above 4,500 PSI is industrial territory: refinery decks, paint stripping, and deep-set grease on construction equipment. GPM matters as much as PSI for productivity — a 4 GPM unit covers ground roughly twice as fast as a 2 GPM unit running the same nozzle at the same pressure. New CWC-tier units in this collection extend the range to 5,000 PSI on Honda GX630, 6,000 PSI on Vanguard 627cc, and 7,000 PSI on Mi-T-M 670cc OHV — industrial pressures that paint contractors and refinery operators specify by job spec. The OSHA pressure washing safety guidelines cover hearing protection, lance recoil, and chemical injection rules that apply to every gas-engine unit in this catalog.

Engine and Pump Brand Decides Service Life

Three engines dominate commercial gas pressure washers: Honda GX, Kohler Command, and Mi-T-M OHV. Honda GX390 is the standard workhorse for 4 GPM and 4,000 PSI builds, with parts available from most small-engine shops and 5,000+ service hours typical under routine maintenance. Kohler Command is the direct alternative with similar specs and service network. Mi-T-M OHV is the value-priced engine for crews running fewer hours per week. Vanguard appears on the CWC industrial tier where 600cc+ displacement is required. Pump brand carries equal weight — AR, General, and CAT triplex pumps are field-rebuildable, which keeps year-three operating cost at a $200 seal kit instead of a full pump replacement.

Related: Pressure Washers · Hot Water Pressure Washers · Belt Drive Pressure Washers · Mi-T-M Equipment

Direct-Drive vs Belt-Drive at Each PSI Tier

Direct-drive pumps couple straight to the engine crankshaft at 3,400–3,600 RPM. Lighter, cheaper, more compact, but the pump runs at twice the RPM a belt-drive would. Belt-drive units gear the pump down to ~1,200 RPM via pulley reduction, which doubles pump service life under daily-use cycles and lets the pump run cooler with less seal wear. The Mi-T-M direct-drive lineup (CM, WP, JP, CA series) is the right pick for occasional commercial use under 20 hours per week. Belt-drive (JCW, CBA, CW, CWC series) is the spec for daily contractor service. Above 4,000 PSI, belt-drive is no longer optional — direct-drive pumps do not survive sustained operation at 5,000+ PSI because pump heat builds faster than passive dissipation can shed it.

Frequently Asked Questions

When should I choose a gas pressure washer over electric?
Choose gas when you need high pressure away from an outlet: parking lots, construction sites, fleet yards, and any outdoor job with no reliable power. Gas engines drive higher PSI and GPM than most electric units and run fully portable. Electric wins only indoors or where fumes and noise are a problem.
How much PSI and GPM does a gas pressure washer deliver?
Commercial gas units typically run 2,700 to 5,000 PSI at 2.5 to 5 GPM. PSI cuts through stuck grime; GPM (flow) rinses it away and sets cleaning speed. For large surfaces, higher GPM matters more than chasing peak PSI.
Are gas pressure washers safe to use indoors?
No. Gas engines produce carbon monoxide and must run outdoors or in fully ventilated open areas only. For enclosed spaces like kitchens, wash bays, and food plants, use an electric pressure washer that produces no exhaust.
What engine brands power these units?
Commercial gas pressure washers commonly run Honda GX, Kohler Command, Vanguard, or Mi-T-M OHV engines with a direct-drive or belt-drive pump. Belt drive runs the pump slower and cooler for longer life on daily-use jobs; direct drive is lighter and lower cost.

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