AR RKV55G40HD-F24 Triplex Pressure Washer Pump – 5.5 GPM @ 4000 PSI, 3400 RPM, 1″ Hollow Shaft

Part Number: RKV55G40HD-F24
Category: Pressure Washer Pumps
Type: Direct-Drive Triplex Pump – AR RKV55G40HD-F24, 5.5 GPM @ 4000 PSI

The AR RKV55G40HD-F24 Triplex Pressure Washer Pump is a high-output, commercial-grade direct-drive pump built for gas-powered pressure washers operating at 3400 RPM. Delivering an impressive 5.5 GPM at up to 4000 PSI, this pump is designed for demanding residential and light commercial applications that require both high flow and serious cutting power in a compact direct-drive format. Featuring a 1″ hollow shaft with gas engine flange and a horizontal mounting orientation, it installs quickly on compatible engines and frames.

Built by Annovi Reverberi (AR) with rugged triplex plunger internals, the RKV55G40HD-F24 offers smooth operation, long service life, and exceptional performance—making it an ideal upgrade or replacement for high-output portable pressure washer systems.

Product Specifications

• Pump Model: RKV55G40HD-F24

• Manufacturer: Annovi Reverberi (AR)

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

• Orientation: Horizontal

• Flow Rate: 5.5 GPM

• Max Pressure: 4000 PSI

• Rated Speed: 3400 RPM

• Shaft Size: 1″ Hollow (Gas Flange)

• Bore Diameter: 15 mm

• Stroke: 9.2 mm

• Weight: 21 lb

• Condition: New

Features & Benefits

• Massive 5.5 GPM / 4000 PSI performance in a direct-drive format

• Commercial-grade AR triplex plunger construction

• Smooth, low-pulsation operation

• 1″ hollow shaft with gas flange for fast engine mounting

• Horizontal configuration for broad frame compatibility

• Ideal balance of power, portability, and durability

Applications

• Gas-powered residential pressure washers

• Light commercial cleaning equipment

• Replacement pump for high-output direct-drive systems

• Performance upgrades for portable pressure washer builds

Important Notes

• Verify shaft type (1″ hollow with gas flange), horizontal orientation, 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