The pressure can be reduced to around 500 PSI, but for applying a 5% bleach solution it's best to use a dedicated soft-wash system rather than running bleach through the CAT pump.
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Simpson Gas Pressure Washer Trailer — 4200 PSI, 4 GPM, CRX 420 Engine, 150-Gal. Water Tank, Model# 95134

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Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- CRX® 420 engine engine is equipped with recoil//key-start and low oil shutdown feature
- CAT® triplex pump is equipped with an external unloader with a bypass hose (to tank) and thermal relief valve
- Direct Drive
- Monster, 100 ft. dual braided high-pressure hose is kink and abrasion-resistant with a non-marring polyurethane outer jacket with QC fittings
- 9 ft. Overall length
Prop 65 Warning: See Details
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Gas Pressure Washer Trailer
Features + Benefits

- CRX® 420 engine engine is equipped with recoil//key-start and low oil shutdown feature
- CAT® triplex pump is equipped with an external unloader with a bypass hose (to tank) and thermal relief valve
- Direct Drive
- Monster, 100 ft. dual braided high-pressure hose is kink and abrasion-resistant with a non-marring polyurethane outer jacket with QC fittings
- 9 ft. Overall length
- 12 in. Premium 6-ply tires for ease of maneuverability across rugged terrain
- 5 Quick connect nozzle tips, 0°, 15°, 25°, 40° and soap nozzle to use for a variety of cleaning applications
- 2000 lb. Single axle construction
- Fuel tank capacity: 1.6 gal.
- Water tank size: 150 gal.
- Unit Dimensions: L 80 in. x W 72 in. x H 52 in.
- Unit Weight: 630 lbs.
- Images shown may vary from the actual unit
- This product is not for sale in California
- A forklift is required to offload the lift from a box truck or a dock-height flatbed trailer
Key Specs
| Attribute | Specification |
|---|---|
item# | 6495551 |
Brand | Simpson |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 900.0 LB |
Pressure | 4,200 PSI |
Flow | 4 GPM |
Engine Brand | CRX |
Engine Model | CRX420 |
Engine Displacement | 420 cc |
Fuel Type | Gasoline |
Pump | CAT Triplex Plunger Pump |
Drive Style | Direct |
CARB Compliant | No |
Number of Tips Included | 5 |
Adjustable Pressure | No |
| Attribute | Specification |
|---|---|
Start Type | Recoil |
Engine Oil Included | Yes |
Engine Oil Type | 10W-30 |
Fuel Capacity | 1.6 Gal |
Chemical Injector | No |
Hose Length | 100 ft |
Wheel Diameter | 12 in |
Nozzle Type | QC |
Quick Connect Nozzle | Yes |
Pump Oil Included | Yes |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 630.0000 lb |
Dimensions L x W x H (in.) | 80.0 x 72.0 x 52.0 in |
Reviews
Questions & Answers
Questions
-
· 22 days ago
Is the psi variable. We want to wash at 500psi with a 5% bleach solution.
1 answer-
ProductExpert10· 15 days ago
Helpful?
-
-
· 4 months ago
Does it need a battery?
1 answer-
ProductExpert11· 4 months ago
The pressure washer does not come with a battery. The pressure washer will require a Group 24 or U1 sized battery.
Helpful?
-
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Warranty
Manufacturer's Warranty
1 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
4,200 PSI
3,200 PSI
4,200 PSI
2,700 PSI
4 GPM
3 GPM
4 GPM
2.7 GPM
CRX
Kohler
Kohler
Kohler
CRX420
600
800
400
420 cc
208 cc
429 cc
196 cc
Gasoline
Gasoline
Gasoline
Gasoline
CAT Triplex Plunger Pump
Triple
Triple
Brass manifold
Direct
Direct
Direct
Direct
No
-
-
No
5
4
4
4
No
Yes
No
Yes
Recoil
Pull
Manual
Pull
Yes
Yes
Yes
Yes
10W-30
10w 30
10w-30
10w 30
1.6 Gal
1.2 Gal
1.3 Gal
1 Gal
No
Yes
Yes
Yes
100 ft
40 ft
50 ft
25 ft
12 in
-
-
-
QC
Brass
stainless steel nozzles
Brass
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
630.0000 lb
118.0000 lb
168.0000 lb
90 lb
80.0 x 72.0 x 52.0 in
32.75 x 29.0 x 28.0 in
33.0 x 31.0 x 32.0 in
-
See All Gas-Cold Water Pressure Washers
See All Simpson Gas-Cold Water Pressure Washers
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