PA B24 Gearbox for Engines – 1"1/8 Shaft (Part No: 50.0060.00)

Product Overview

The PA B24 Gearbox is a high-performance reduction gearbox designed for coupling pressure washer pumps to petrol or diesel engines with an SAE J609b flange. With a 2.176:1 gear reduction ratio, this gearbox reduces engine speeds from up to 3100 RPM down to a safe and reliable 1450 RPM output, ideal for Interpump 47, 59, 66, and MF2 series pumps.

Built to handle engines delivering up to 24 HP (17.7 kW), the B24 gearbox features a robust 1"1/8 (28.6mm) hollow shaft for a secure and efficient connection. It's the perfect solution for mobile pressure washer systems and engine-driven cleaning units.

Key Features

✅ For SAE J609b flange engines – petrol or diesel drive compatibility
✅ Compatible with Interpump 47, 59, 66, and MF2 series pumps
✅ 1"1/8 (28.6mm) hollow shaft – industry-standard output size
✅ Max input speed: 3100 RPM / Output speed: 1450 RPM
✅ 2.176:1 gear reduction – optimised for pump performance
✅ Max power rating: 24 HP / 17.7 kW
✅ Durable construction for long service life
✅ Ideal for mobile washdown units and engine-powered cleaning systems
✅ See technical documents for full pump compatibility list

Why Choose This Product?

The PA B24 Gearbox is engineered for reliability, precision, and ease of integration. Whether you're building or maintaining a mobile pressure washer, or need a gearbox to match your engine and Interpump pump, the B24 ensures optimal RPM, reduced wear, and a secure mechanical connection. It's a go-to solution for professional cleaning setups.

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Looking to pair your engine with an Interpump pump? Contact Flowjet Cleaning Equipment for the PA B24 Gearbox, plus expert support on compatibility and installation.