Rehlko (formerly Kohler) PA-CH620-3146 19 HP Command PRO Horizontal Engine, 1-1/8" x 4" Shaft, Low-Profile Air Cleaner

The Rehlko PA-CH620-3146 (formerly Kohler CH620-3146) is a 19 HP 674cc Command PRO (V-twin, OHV) horizontal-shaft engine with a 1-1/8" x 4" crankshaft, electric start, 25 amp charging and low-profile air cleaner. Factory description: CH620 E16 GARDNER-WOOD MIZER .

Rehlko is the new name for Kohler Engines — same factory, same design, same part number. Search either name; Kohler CH620-3146 and Rehlko PA-CH620-3146 are the same genuine engine.

Why buy the PA-CH620-3146 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

• 19 HP 674cc Command PRO engine
• Horizontal crankshaft: 1-1/8" x 4"
• Low-Profile Air Cleaner
• Electric Start, 25 Amp charging
• 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 (CH620-3146) 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-CH620-3146 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler CH620-3146 and Rehlko PA-CH620-3146 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" (horizontal 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.