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The Jabsco 15780-0100 engine cooling pump is a bronze, bare-shaft marine diesel seawater cooling unit for Cummins K38, K50, KTA38, and KTA50 engines. Its two-impeller design combines a self-priming flexible impeller with a bronze centrifugal impeller to deliver high flow up to 400 GPM while maintaining strong priming performance at low or high speeds. Built from marine-quality bronze and stainless steel with flanged ports, it is engineered for durability, easy service, and reliable operation when suction lines are airtight, with an important limitation of not running dry for more than 30 seconds.
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Jabsco 15780-0100 Cummins Seawater Engine Cooling Pump Unit
The Jabsco 15780-0100 is a Cummins marine diesel engine cooling pump designed for seawater engine cooling applications. Supplied as a bare-shaft pump only with flanged ports, it uses a two-impeller arrangement to combine dependable self-priming with strong flow performance.
Application
Typical applications include sea water engine cooling for Cummins engines.
Compatibility
- Cummins K38 engines
- Cummins K50 engines
- Cummins KTA38 engines
- Cummins KTA50 engines
Technical Specifications
Catalog Number 15780-0100 Pump Type Flexible Impeller Engine Cooling Pump (Two-Impeller Pump) Maximum Flow Up to 400 GPM Pump Body Material Bronze Construction Materials Marine Quality Bronze and Stainless Steel Ports Flanged Flexible Impeller Material Neoprene Second Impeller Type Bronze Centrifugal Impeller
Product Details
- Design concept: Combines the priming feature of flexible impeller pumps with the high-flow capability of centrifugal pumps.
- Self-priming: Self-primes at low or high speeds; suction lines must be airtight or the pump will not self-prime.
- Lubrication note: The neoprene impeller depends on pumped liquid for lubrication.
- Dry-run limit: Do not run dry for more than 30 seconds to avoid burning the impeller.
- Equivalent Cummins parts: 3393018, 4314820, 4314522.
- Service parts: Major Overhaul Kit / Rebuild Kit catalog 99202-1000 (Major Service Kit) with flapper assembly, shaft, plates, screw, mechanical seal, and ball bearings.
Features
- Excellent self-priming even from dry start-up
- Unaffected by small solid contaminants
- Easy to service and maintain
- Engineered to high standards with a high-grade design for extended lifespan
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