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TMG Industrial Triplex Plunger Pressure Pump, Max. 4000 PSI, 5 GPM, 3400 RPM, 1” Hollow Shaft, Compatible Engine Power 9-15 HP, TMG-GWP40

Original price $599.00 - Original price $599.00
Original price
$599.00 - $599.00
Current price $599.00
+ SHIPPING ( Get FREE SHIPPING on orders over $1000 )
20.0 lb
13 x 12 x 10 inches
More Shipping Info
  • Compatible with TMG-GWJ36, TMG-GWS40, TMG-HW41R & TMG-HW41T
  • Durable triplex plunger pump often used for high pressure fluid output
  • Die-cast oil bath crankcase is built for long term lubrication & minimal wear
  • Thermo pump protector & direct drive power transmission
  • 4-bolt engine mounting flange for easy attachment to your equipment


  • Replacement pump for TMG-GWJ36, TMG-GWS40, TMG-HW41R and TMG-HW41T, as well as most pressure washers with 1” gas engine flange in the fields
  • This durable triplex plunger pump is often used for pumping out fluids at high pressures due to its robust, heavy-duty design
  • Die-cast oil bath crankcase is built for long term lubrication and minimal wear to the attached equipment so you get the best performance from your pump
  • Constructed with a brass manifold, stainless steel valves and a sight glass for you to check your oil levels before/after operation
  • Thermo pump protector and direct drive power transmission from the gas engine or electric motor for maximum power and efficiency
  • Vented oil dipstick prevents heat overflow and heat dissipation cooling fins to keep the pump working even after a grueling long day
  • 4-bolt engine mounting flange makes this pump easy to attach/replace on your equipment so you can quickly get back to work with little down time


  • Match engine power: 9-15 HP
  • Max. work pressure: 4000 PSI
  • Max. flow rate: 5 GPM
  • Engine speed: 3400 RPM
  • Hollow shaft: 1”
  • Pump plunger bore: 15 mm
  • Pump stroke: 10 mm
  • Inlet: ¾” NH thread
  • Outlet: ⅜” quick connect
  • Oil plugs: 2
  • Crankcase oil capacity: 16 oz

Shipping Information

The order will ship from our main warehouse in Richmond, British Columbia. Under normal circumstances it will take us 2 to 3 business days to process the order and ship it. It will take up to 10 to 15 business days for the order to get to you based on where you are located and how accessible the location is.

  • This product is packed in one shipping box
  • Shipping dimension: 13” x 12” x 10” (L x W x H)
  • Shipping weight: 20 lb
Shipping from Richmond BC or Mississauga ON

Product Description

The TMG-GWP40 is the replacement pump for most gas-powered high-pressure washers with 1" hollow shaft profile. All TMG Industrial high-pressure washer models (TMG-GWJ36, TMG-GWS40, TMG-HW41R and TMG-HW41T) are equipped with this pump for optimal performance. This triplex pressure pump comes with a maximum of 4000 PSI and a flow rate of 5 GPM and 16 oz oil capacity.

Made with premium quality parts such as a brass manifold, stainless steel valves, a die-cast oil bath crankcase and a triplex plunger pump. The TMG-GWP40 also comes with a vented oil dipstick to prevent heat overflow and heat dissipation cooling fins to keep it working even after long, hard days - it’s built to get the job done.

Easy to set up with its 4-bolt engine mounting flange and compact, lightweight design. This pressure pump is handy, versatile and multi-use from one job or piece of equipment to the next.


We're here to support you. This product is backed with our 1-year manufacturer warranty. Customer support and spare parts are offered from our headquarters located in Richmond, BC.

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