PEP1313G8 Triplex Pressure Washer Pump – 4.0 GPM @ 4200 PSI, 3400 RPM, 1″ Hollow Shaft

Part Number: PEP1313G8
Category: Pressure Washer Pumps
Type: Gas Direct-Drive Pump – PEP1313G8, 4.0 GPM @ 4200 PSI

The PEP1313G8 Triplex Pressure Washer Pump is a high-performance direct-drive pump engineered for gas-powered pressure washers operating at 3400 RPM. Delivering a powerful 4.0 GPM at up to 4200 PSI, this pump is built for demanding residential and commercial applications that require both high flow and extreme cutting power. Featuring a 1″ hollow shaft for direct engine mounting and a rugged triplex plunger design, the PEP1313G8 provides smooth output, long service life, and dependable performance under heavy workloads.

Manufactured by GP General, this pump is designed for durability and efficiency in high-speed direct-drive systems where reliability and output are critical.

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Product Specifications

• Pump Model: PEP1313G8

• Manufacturer: GP General

• Pump Type: Triplex Plunger, Direct Drive (Gas)

• Flow Rate: 4.0 GPM

• Max Pressure: 4200 PSI

• Rated Speed: 3400 RPM

• Shaft Size: 1″ Hollow

• Bore Diameter: 13 mm

• Stroke: 13 mm

• Weight: 15.4 lb

• Condition: New

Features & Benefits

• High-output 4.0 GPM / 4200 PSI performance

• Triplex plunger design for smooth, low-pulsation operation

• 1″ hollow shaft for direct mounting on gas engines

• Built for high-speed 3400 RPM operation

• Durable construction for extended service life

• Ideal for heavy-duty residential and commercial cleaning

Applications

• Gas-powered pressure washers

• Residential and commercial-grade cleaning equipment

• Replacement pump for compatible direct-drive systems

• Heavy-duty portable pressure washer builds

Important Notes

• Verify shaft type (1″ hollow) and engine RPM compatibility (3400) before ordering

• Designed for direct-drive gas engines

• Final operating PSI and GPM depend on engine speed and overall system configuration