Large Frame Pump; Part 1 - Specifications And Views; Performance Specifications - Briggs & Stratton CE8070 Troubleshooting Manual

Portable Pressure Washer Familiarization and Troubleshooting Guide
Section 7 • Large Frame Pump
This section describes the large frame pump assemblies powered by gasoline or diesel engines intended for use in heavy duty
applications. This large frame pump may also be referred to as a 'GPW' pump. Most of the information previously printed in
publication 97492 will be found here.
The large frame pump has the following features:
• 1500 to 3000 PSI water pressure
• 2.0 to 3.0 Gallons per minute flow
• Axial Cam Design
• QPQ, Stainless Steel, or Ceramic Pistons
• Easy Start Unloader
• Adjustable Output Water Pressure
• Chemical Injection System available
• Brass heads (above 2200psi)
• Aluminum heads (2200psi and below)
• Thermal Relief Valve
• Oil Bath Drive System

Part 1 - Specifications and Views

This section presents the torque and performance specifications for
pumps. Also presented are sectional and exploded views of this type of pump assembly.
Pump Rated
Assembly Pressure+
Part No.
21300A 2250
21300B 2700
21300D 2600
21300E 2900
95523A 1500
95523B 1800
95523C 1500
95523D 1500
95523E 2000
95523F 2200
95523G 2500
97239A 1600
97239B 1900
97239C 2600
99750A 2500
99750G 3000

Performance Specifications

+ Pressure (in pounds per square inch) is adjustable up to the unit's rated pressure.
* Flow rate is given in gallons per minute.
Pump assemblies are listed by part number and were current at time of publication. Other pump assemblies will become
available as our product evolves.

LARGE FRAME PUMP

Engine Pump Head
Shaft
Straight Aluminum
Straight Brass
Tapered Brass
Tapered Brass
Straight Aluminum
Straight Aluminum
Straight Aluminum
Straight Aluminum
Tapered Brass
Tapered Brass
Tapered Brass
Straight Aluminum
Straight Aluminum
Straight Brass
Tapered Brass
Tapered Brass
75
Generac Portable Products®
Flow Rate*
2.2
2.5
2.6
2.9
2.0
2.3
3.0
2.0
3.0
3.0
3.0
2.0
2.5
3.0
3.0
2.5
large frame
Piston Oil Type/
Material Capacity
Ceramic 80W90/300ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml
Ceramic 80W90/285ml