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General Pump EP1313G8 - Evolution 4000 PSI 4 GPM 1" Hollow Shaft Gas Flange Replacement Triplex Plunger Pump (3400 RPM) for sale.

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General Pump Evolution 4000 PSI 4 GPM 1" Hollow Shaft Gas Flange Replacement Triplex Plunger Pump (3400 RPM)

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  • Features
  • Specs
  • Q&A 
  • Reviews
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  • Accessories
1/2" Threaded (Female)
3/8" Threaded (Female)
Quality Replacement For Worn Out Pumps
New forged brass manifold increases working pressure to 4000 PSI

New Pump Design
Connecting rods reduce specific pressure & improve lubrication

Solid Ceramic Plungers With Dual Guide System
Ceramic runs cooler & lasts longer; can be rebuilt
New plunger guide assembly reduces friction, extends seal life (patent pending)

Durable Components
Oversized forged crankshaft & crankshaft key increase performance
Optimized outlet valves deliver better volumetric efficiency

Large Diameter Sight Glass
Easier oil checking; dipstick with breather for easier maintenance
Large 15 oz. oil capacity means better cooling & lubrication

SAE J609B Gas Engine Mounting Flange
Maximum 4000 PSI, 4 gallons per minute, up to 165F
Rated for gas engines up to 10.7 HP & 3400 RPM
Shaft diameter .945 inches (24 mm)

Be Sure To Measure Shaft & Flange Bolt Holes Accurately!
There is a 25% restock fee on returned pumps
(Dimensions can be downloaded under the Specs tab in Manual PDF)

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Accessory Grade
Accessory Style
1/2" Threaded (Female)
3/8" Threaded (Female)
Maximum GPM
Rated PSI
4000 PSI
15 Pounds
9.5L x 9.5W x 6.45H
Consumer Warranty
5 Years
Commercial Warranty
5 Years
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  • Ships via FedEx Ground
We currently CANNOT ship this product to California or any destination outside of the United States

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Buy General Pump Evolution 4000 PSI 4 GPM 1" Hollow Shaft Gas Flange Replacement Triplex Plunger Pump (3400 RPM) at Power Equipment Direct. Read reviews and articles. Wide Selection of accessories available, including General Pump Garden Hose Quick-Connect Kit, General Pump Semi-Pro Quick Connect Gutter Cleaner (4000 PSI) and General Pump 5000 PSI Compensating Spray Gun.

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