Scag Replacement Engine — Kohler CH1000-3018 37 HP Command PRO Horizontal Engine Click to zoom

Rehlko (formerly Kohler) PA-CH1000-3036 37 HP Command PRO Horizontal Engine, 1-7/16" x 4-29/64" Shaft

MPN PA-CH1000-3036

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Specifications

Manufacturer
Rehlko (formerly Kohler Engines)
Part number (MPN)
PA-CH1000-3036
Kohler part number
CH1000-3036
Series
Command PRO
Gross power
37 HP
Displacement
999 cc
Cylinders
V-twin, OHV
Crankshaft orientation
Horizontal
Crankshaft
1-7/16" x 4-29/64"
Fuel system
Carbureted gasoline
Starter
Electric start
Charging
25 Amp
Oil capacity
2.1 qt (2.0 L)
Shipping weight
157 lb
Condition
New, genuine OEM
Shipping
$200 flat-rate LTL freight (lower 48 + DC)

Overview

🚚 Flat-rate LTL freight: $200
Ships palletized by LTL freight to the lower 48 states + DC for a flat $200. Need it fast? Choose Expedited or Need It Fast ($235.95) at checkout and we'll call you with the fastest options.

The Rehlko (formerly Kohler) PA-CH1000-3036 is a 37 HP 999cc Command PRO V-twin horizontal-shaft engine with a 1-7/16" x 4-29/64" crankshaft and 25 amp charging. Factory spec: CH1000 E06 PES-REPOWER SPECIAL.

Kohler Engines is now Rehlko. Same engines, same factory, same part numbers — only the name on the shroud changed. If your equipment manual or engine tag says Kohler CH1000-3036 (or PA-CH1000-3036), this is the engine.

Why buy the PA-CH1000-3036 from RFQQQ

  • Brand new, genuine Rehlko 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 landscape contractors
  • Real people on the phone at (646) 666-7225 to confirm fitment before you order

Key features

  • 37 HP 999cc Command PRO V-twin engine
  • Horizontal crankshaft: 1-7/16" x 4-29/64"
  • Electric start, 25 Amp charging
  • Oil capacity 2.1 qt (2.0 L); Rehlko/Kohler 10W-40 synthetic recommended (OCK-RKC-10440)
  • Commercial-duty Command PRO design with cast-iron cylinder liners

Specifications

Manufacturer Rehlko (formerly Kohler Engines)
Part number (MPN) PA-CH1000-3036
Kohler part number CH1000-3036
Series Command PRO
Gross power 37 HP
Displacement 999 cc
Cylinders V-twin, OHV
Crankshaft orientation Horizontal
Crankshaft 1-7/16" x 4-29/64"
Fuel system Carbureted gasoline
Starter Electric start
Charging 25 Amp
Oil capacity 2.1 qt (2.0 L)
Shipping weight 157 lb
Condition New, genuine OEM
Shipping $200 flat-rate LTL freight (lower 48 + DC)

Fitment and replacement notes

  • Muffler, mounting hardware and OEM-specific brackets are generally not included unless noted — reuse your existing exhaust and hardware.
  • Before ordering, match crankshaft diameter and length, mounting pattern, PTO/clutch, fuel and wiring connections to your current engine tag. Not sure? Call (646) 666-7225 with your engine model and spec number and we'll confirm.

Frequently asked questions

Is the PA-CH1000-3036 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler CH1000-3036 and Rehlko PA-CH1000-3036 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 — we call you with the fastest options.

What is the crankshaft size?

1-7/16" x 4-29/64" (horizontal shaft). Always confirm against your original engine before ordering.

Is this a genuine OEM engine?

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

Not the right engine?

Get a repower quote

Old engine discontinued or out of stock? Send us the model/spec from your engine and we'll match a current replacement that bolts in.

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