Rehlko (formerly Kohler) PA-KD420-3001A KD Horizontal Diesel Engine

The Rehlko PA-KD420-3001A (formerly Kohler KD420-3001A) is a KD (single-cylinder air-cooled diesel) horizontal-shaft diesel engine.

Rehlko is the new name for Kohler Engines — same factory, same design, same part number. Search either name; Kohler KD420-3001A and Rehlko PA-KD420-3001A are the same genuine engine.

Why buy the PA-KD420-3001A from RFQQQ

• Brand new, genuine Rehlko (Kohler) OEM engine backed by the manufacturer's engine warranty
• $200 flat-rate LTL freight to the lower 48 + DC; Expedited / Need It Fast available
• Pro accounts, net terms and POs for dealers, rental yards and contractors
• Real people on the phone at (646) 666-7225 to confirm fitment before you order

Key features

• Horizontal crankshaft
• Genuine Kohler/Rehlko engine, built to the original factory spec

Specifications

Fitment notes

• Muffler, mounting hardware and OEM-specific brackets are generally not included unless noted — reuse your existing exhaust and hardware.
• Match the spec number on your engine tag (KD420-3001A) and confirm crankshaft size, mounting, PTO/clutch, fuel and wiring connections. Not sure? Call (646) 666-7225 with your engine model and spec number and we'll confirm.

Frequently asked questions

Is the PA-KD420-3001A a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler KD420-3001A and Rehlko PA-KD420-3001A are the same engine.

How much does shipping cost?

Engines ship palletized by LTL freight for a flat $200 to the lower 48 states and DC. Expedited / Need It Fast ($235.95) is available at checkout.

Is this a genuine OEM engine?

Yes — brand new, genuine engine with the manufacturer's warranty.