Free Gift Card Details
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 03/01/27.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Mi-T-M HSP Series Gasoline Direct Drive Hot Pressure Washer, HSP-4004-3MGH

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- Pump: External bypass system protects from heat build-up · Preset stainless-steel and brass unloader valve · Forged brass manifold · Thermal relief valve · Low pressure detergent injector
- Frame: Reinforced powder coated steel frame with center balanced lift · 13-inch flat-free tires
- Components: Top-fired powder coated heat exchanger · No. 1 or No. 2 diesel or kerosene fired burner (Not approved for bio-fuel)
- Miscellaneous: Temperature rise 150°F/66°C above ambient, maximum outlet temperature is 200°F
- Unit Includes: Quick connect nozzles - 0°, 15°, 25° and 40° · 50-foot x 3/8-inch steel wire-braided hose · Adjustable pressure insulated dual lance with trigger gun
Prop 65 Warning: See Details
See full description
Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) Pressure Washer, Quick connect nozzles - 0°, 15°, 25° and 40° · 50-foot x 3/8-inch steel wire-braided hose · Adjustable pressure insulated dual lance with trigger gun
Downloads

Features + Benefits
- Pump: External bypass system protects from heat build-up · Preset stainless-steel and brass unloader valve · Forged brass manifold · Thermal relief valve · Low pressure detergent injector
- Frame: Reinforced powder coated steel frame with center balanced lift · 13-inch flat-free tires
- Components: Top-fired powder coated heat exchanger · No. 1 or No. 2 diesel or kerosene fired burner (Not approved for bio-fuel)
- Miscellaneous: Temperature rise 150°F/66°C above ambient, maximum outlet temperature is 200°F
- Unit Includes: Quick connect nozzles - 0°, 15°, 25° and 40° · 50-foot x 3/8-inch steel wire-braided hose · Adjustable pressure insulated dual lance with trigger gun
Key Specs
| Attribute | Specification |
|---|---|
item# | 7370792 |
Brand | Mi-T-M |
Manufacturer's Warranty | 12 months parts/12months labor |
Ship Weight | 550.0 LB |
Pressure | 4,000 PSI |
Flow | 3.3 GPM |
Engine Brand | Honda |
Engine Model | GX390 |
Engine Displacement | 389 cc |
Fuel Type | Gasoline |
Pump | Triplex |
Drive Style | Direct |
CARB Compliant | No |
Number of Tips Included | 4 |
Adjustable Pressure | Yes |
Start Type | Recoil |
Engine Oil Included | No |
| Attribute | Specification |
|---|---|
Engine Oil Type | SAE 10W-30 |
Fuel Capacity | 1.72 Gal |
Max. Outlet Water Temp | 210 °F |
Orifice Size | 3.5 |
Chemical Injector | Yes |
Hose Length | 50 ft |
Coupler Size | 3/8 in |
Wheel Diameter | 13 in |
Nozzle Type | Quick Connect |
Quick Connect Nozzle | Yes |
Pump Oil Included | No |
Pump Oil Type | Mi-T-M Pump Oil #AW-4085-0016 |
Low Oil Shutdown | Yes |
Thermal Protector | Yes |
Product Weight | 500.0000 lb |
Dimensions L x W x H (in.) | 43.0 x 30.0 x 41.0 in |
Reviews
Questions & Answers
Questions
Warranty
Manufacturer's Warranty
12 months parts/12months labor
Compare with Most Popular in Gas-Hot Water Pressure Washers
See All Gas-Hot Water Pressure Washers
See All Mi-T-M Gas-Hot Water Pressure Washers
Currently Viewing This Product
$5708.00Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $9499.99Reg $9999.99Save $500.00
Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Available nowStore Pickup:
Not Available
Item # 157116
$5699.99Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Item # 157117
$6299.99Shipping:
Free shipping (lower 48 states) - Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Not Available
Specifications
4,000 PSI
4,000 PSI
3,000 PSI
3,500 PSI
3.3 GPM
4 GPM
4 GPM
3.5 GPM
Honda
Honda
Honda
Honda
GX390
GX630 V-twin
GX390
GX390
389 cc
630 cc
389 cc
389 cc
Gasoline
Gasoline
Gasoline
Gasoline
Triplex
CAT
CAT 66DX
CAT 66DX
Direct
Direct
Direct
Direct
No
-
-
-
4
5
4
5
Yes
Yes
Yes
Yes
Recoil
Electric and Recoil
Recoil
Electric and Recoil
No
No
No
No
SAE 10W-30
SAE 30 Motor Oil
SAE 30 Motor Oil
SAE 30
1.72 Gal
4 Gal
1.61 Gal
8 Gal
210 °F
210 °F
250 °F
250 °F
3.5
4
4.5
4
Yes
Yes
Yes
Yes
50 ft
100 ft
50 ft
50 ft
3/8 in
3/8 in
3/8 in
3/8 in
13 in
15 in
-
-
Quick Connect
0°, 15°, 25°, 40° and Soap
15° Wet Steam, 15°, 25°, 40°, and Chemical
15° Wet Steam, 15°, 25°, 40°, and Chemical
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Mi-T-M Pump Oil #AW-4085-0016
SAE 30 Nondetergent
SAE 30 Nondetergent
SAE 30 Nondetergent
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
500.0000 lb
961.0000 lb
610.0000 lb
656.0000 lb
43.0 x 30.0 x 41.0 in
129.0 x 75.75 x 60.0 in
47.5 x 61.5 x 47.875 in
55.5 x 41.5 x 48.3125 in
-
29.2 ft-lbs.
18.5 ft-lbs.
19.5 ft-lbs.
-
140 °F
140 °F
140 °F
See All Gas-Hot Water Pressure Washers
See All Mi-T-M Gas-Hot Water Pressure Washers
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.



