Kohler KD440-2001B 9.1 HP KD 440 Horizontal Engine, 1" x 3-1/2" Shaft

MPN KD440-2001B

In stockEngines

Specifications

Manufacturer
Kohler (now Rehlko)
Part number (MPN)
KD440-2001B
Rehlko spec number
PA-KD440-2001B
Series
KD 440
Gross power
9.1 HP
Displacement
441 cc
Cylinders
single-cylinder air-cooled diesel
Crankshaft orientation
Horizontal
Crankshaft
1" x 3-1/2"
Starter
Recoil Start
Charging
20 Amp
Oil capacity
1.6 qt (1.5 L)
Muffler
Included
Shipping weight
144 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 Kohler KD440-2001B is a 9.1 HP 441cc KD 440 single-cylinder air-cooled diesel horizontal-shaft engine with a 1" x 3-1/2" crankshaft and 20 amp charging. Factory spec: KD15-440 DOC WITH DOC---MY21.

Kohler Engines now operates under the name Rehlko. This is the same genuine Kohler KD440-2001B engine (Rehlko spec PA-KD440-2001B); new units may carry Rehlko branding.

Why buy the KD440-2001B from RFQQQ

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

Key features

  • 9.1 HP 441cc KD 440 single-cylinder air-cooled diesel engine
  • Horizontal crankshaft: 1" x 3-1/2"
  • Recoil Start, 20 Amp charging
  • Oil capacity 1.6 qt (1.5 L)

Specifications

Manufacturer Kohler (now Rehlko)
Part number (MPN) KD440-2001B
Rehlko spec number PA-KD440-2001B
Series KD 440
Gross power 9.1 HP
Displacement 441 cc
Cylinders single-cylinder air-cooled diesel
Crankshaft orientation Horizontal
Crankshaft 1" x 3-1/2"
Starter Recoil Start
Charging 20 Amp
Oil capacity 1.6 qt (1.5 L)
Muffler Included
Shipping weight 144 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 KD440-2001B a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler KD440-2001B and Rehlko PA-KD440-2001B 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" x 3-1/2" (horizontal shaft). Always confirm against your original engine before ordering.

Is this a genuine OEM engine?

Yes — brand new, genuine Kohler 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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