Specifications
This GP T991 Pressure Washer Pump with 4.0 GPM 1100 PSI @ 1750 RPM performance boasts a compact size for make them perfect for portable hot water pressure washers.
| Weight | 21 lbs | 
|---|---|
| Dimensions | 10 × 6 × 10 in | 
| Shaft Diameter | 1.0 in / 25.4 mm  | 
		
| Max Volume | 4.0 GPM  | 
		
| Max Pump Speed | 1750 RPM  | 
		
| Max Inlet Pressure | 125 PSI  | 
		
| Bore Diameter | .787 in / 20 mm  | 
		
| Stroke | .394 in / 10 mm  | 
		
| Max Fluid Temp. | 140 F  | 
		
| Inlet Port | 1/2-14 BSPP-F  | 
		
| Discharge Port | 3/8-19 BSPP-F  | 
		
| Material | Brass  | 
		
| Brand | 
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Description
General Pump’s T Series 50 of Pressure Washer Pumps boast a compact size for make them perfect for portable hot water pressure washers. Their forged brass manifolds feature an exclusive lifetime warranty. They also feature a die-cast, anodized aluminum, oil-bath crankcase; solid ceramic plungers with continuously lubricated packings; and are the original Interpump unitized stainless steel K01 inlet and outlet valves.
Features include:
- Forged brass manifold with a an exclusive lifetime warranty
 - Die-cast, anodized aluminum, oil-bath crankcase
 - Solid ceramic plungers with continuously lubricated packings
 - The original Interpump unitized stainless steel K01 inlet and outlet valves
 - Standard 24 mm solid shaft for pulley mounting
 
Specifications:
- Maximum Volume: 4.0 GPM
 - Maximum Discharge Pressure: 1100 PSI
 - Maximum Pump Speed: 1750 RPM
 - Maximum Inlet Pressure: 125 PSI
 - Plunger Bore: .787 in. / 20 mm
 - Plunger Stroke: .394 in. / 10.0 mm
 - Crankcase Oil Capacity: 15.2 oz.
 - Maximum Fluid Temperature: 165 F
 - Inlet Port Thread: 1/2″ – 14 BSP-F
 - Discharge Port Thread: 3/8โ – 19 BSP-F
 - Shaft Diameter: 1.0 in. / 25.4 mm
 - Weight: 19.0 lbs.
 - Dimensions: 9.3″ x 8.3″ x 5.4″
 
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