Rehlko (formerly Kohler) PA-ECV730-3051 23 HP Command PRO EFI Vertical Engine, 1-1/8" x 4-5/16" Shaft, Heavy-Duty Air Cleaner (for Exmark)

The Rehlko PA-ECV730-3051 (formerly Kohler ECV730-3051) is a 23 HP Command PRO EFI (V-twin, OHV) vertical-shaft engine with a 1-1/8" x 4-5/16" crankshaft, electric start, 20 amp charging and heavy-duty air cleaner. It was built as an OEM spec for Exmark equipment. Factory description: ECV730 E15 EXMARK.

Rehlko is the new name for Kohler Engines — same factory, same design, same part number. Search either name; Kohler ECV730-3051 and Rehlko PA-ECV730-3051 are the same genuine engine.

Why buy the PA-ECV730-3051 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

• 23 HP Command PRO EFI engine
• Vertical crankshaft: 1-1/8" x 4-5/16"
• Closed-loop electronic fuel injection for easier starts and lower fuel use
• Heavy-Duty Air Cleaner
• Electric Start, 20 Amp charging
• Original-equipment spec for Exmark
• 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 (ECV730-3051) 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-ECV730-3051 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler ECV730-3051 and Rehlko PA-ECV730-3051 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.

What is the crankshaft size?

1-1/8" x 4-5/16" (vertical shaft). Always confirm against your original engine before ordering.

Is this a genuine OEM engine?

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