Cat Pumps
67DX39G1I CAT Pressure Washer Triplex Positive Displacement Plunger Pump 3.9 GPM , 4,000 PSI , 67DX Series , 1" Crankshaft Diameter , SAE J609 Gas Flange , Forged Brass Block , Buna-N Seals & O-rings
67DX39G1I CAT Pressure Washer Triplex Positive Displacement Plunger Pump 3.9 GPM , 4,000 PSI , 67DX Series , 1" Crankshaft Diameter , SAE J609 Gas Flange , Forged Brass Block , Buna-N Seals & O-rings
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67DX39G1I CAT Pressure Washer Triplex Positive Displacement Plunger Pump 3.9 GPM , 4,000 PSI , 67DX Series , 1" Crankshaft Diameter , SAE J609 Gas Flange , Forged Brass Block , Buna-N Seals & O-rings
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CAT Pumps 67DX39G1I Plunger Pump
The CAT Pumps 67DX39G1I is a high-performance Triplex Plunger Pump engineered for heavy-duty gas engine pressure washers. As a direct-drive unit, it is designed to bolt directly to large frame engines (like the Honda GX390) via a 1" hollow shaft. This model is famous for its durability, featuring a Forged Brass manifold that offers superior strength against cracking compared to standard cast pumps.
Fitment Note: This pump requires a gas engine with a 1" Horizontal Shaft (typically 9HP to 13HP). It will not fit smaller 5HP–6.5HP engines.
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