Udor DELTA 40 GR3/4 — 10.5 GPM (40 L/min) Diaphragm Pump

The DELTA 40 GR3/4 brings the DELTA 40’s 40 bar (560 PSI) pressure and 40.0 L/min (10.5 GPM) flow to a self-contained petrol package, using a gear reduction drive built for a 3/4 inch shaft from a 4–6.5 HP engine. That gearing steps the engine down to the pump’s 550 RPM operating speed without a belt drive to maintain. At 39 lbs it suits contractors and orchard operators who need DELTA-level pressure on a standalone trailer or cart rather than a tractor PTO.

Specifications

Model	Udor DELTA 40 GR3/4
Flow Rate	40 L/min (10.5 GPM)
Max Pressure	40 bar (560 PSI)
Speed	550 RPM
Drive Configuration	Gear reduction for 3/4″ shaft petrol engine, 4-6.5 HP
Weight	17.7 kg (39 lbs)
Type	Diaphragm Pump

Applications

• Standalone petrol-powered orchard airblast sprayers
• Vineyard spraying without tractor PTO access
• Contractor trailer-mounted spray units
• Portable high-pressure spray carts
• Backup pumps for fixed installations

Key Features

• Gear reduction for 3/4 inch petrol engine shaft, 4–6.5 HP
• 40 bar (560 PSI) maximum pressure
• 40.0 L/min (10.5 GPM) flow
• No belt drive required
• Stainless steel valves, Desmopan diaphragms

Technical Documents

• Udor DELTA 40 GR3/4 Parts Schematic (PDF)
• All Udor Delta Series Documents

Parts & Service

AES Waterblasters carries genuine Udor spare parts, diaphragm kits and valve kits for the Delta series, with expert service and repairs from our Auckland workshop. Contact us on 09 271 4782 for parts, servicing or advice on the right pump for your application.

Related Models

Part of the Udor Delta Series. Other models in this series:

• Udor DELTA 40 — 40 L/min (10.5 GPM)
• Udor DELTA 100 VA-IND — 104 L/min (26 GPM)
• Udor DELTA 40 TSFVA — 40.0 L/min (10.5 GPM)
• Udor DELTA 75 VA — 79.0 L/min (20.9 GPM)
• Udor DELTA 100 1C — 104.0 L/min (27.5 GPM)
• Udor DELTA 100 TSVA — 104.0 L/min (27.5 GPM)