
The Tecomec RGB 35 A is a helical reduction gearbox rated for engines up to 31 HP, designed to reliably couple small petrol or diesel engines to high-pressure triplex plunger pumps. Its reversible crankcase and compact 4.7 kg design make it a versatile choice for building custom pressure washer units, spray rigs, and other engine-driven pump systems. Compatible with leading pump brands including Annovi Reverberi, Bertolini, Comet, Interpump, Hawk, and Udor.
| Model | RGB 35 A |
| Manufacturer | Tecomec |
| Type | Reduction Gearbox |
| Max Engine Power | 31 HP |
| Engine Flange | SAE J609 A |
| Gear Type | Helical |
| Gear Ratio | 1:2.19 |
| Oil | SAE 80W-90 (0.24 kg / 8.47 oz capacity) |
| Crankcase | Reversible |
| Weight | 4.7 kg |
| R00500011 | 28.6 mm (1-1/8″) | 24 mm | 87 mm | Standard |
| R00500014 | 28.6 mm (1-1/8″) | 30 mm | 87 mm | Standard |
| R00500015 | 28.6 mm (1-1/8″) | 24 mm | 89 mm | Hawk pumps exclusive |
AES Waterblasters stocks genuine Tecomec gearboxes, repair kits, and spare parts for the RGB 35 A. Whether you need a complete gearbox, gasket set, or bearings, we can supply it. Contact us on 09 271 4782 for pricing, availability, or technical advice on matching this gearbox to your engine and pump combination.
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Thanks so much for your help. I will call the office to order that part. It is an absolutely amazing machine (AES Electroblast) So reliable and does a fantastic job.
