Kohler ZT730-3036 23 HP Confidant Vertical Engine, 1-1/8" x 4-5/16" Shaft, Heavy-Duty Air Cleaner, Fuel Pump (for Husqvarna)

The Kohler ZT730-3036 is a 23 HP 747cc Confidant V-twin vertical-shaft engine with a 1-1/8" x 4-5/16" crankshaft, heavy-duty air cleaner and a fuel pump. This spec is built for Husqvarna equipment. Factory spec: ZT730 E10 HOP.

Kohler Engines now operates under the name Rehlko. This is the same genuine Kohler ZT730-3036 engine (Rehlko spec PA-ZT730-3036); new units may carry Rehlko branding.

Why buy the ZT730-3036 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

• 23 HP 747cc Confidant V-twin engine
• Vertical crankshaft: 1-1/8" x 4-5/16"
• Heavy-duty canister air cleaner for dusty commercial work
• Fuel pump included
• Electric Start
• Oil capacity 2.0 qt (1.9 L); Rehlko/Kohler 10W-40 synthetic recommended (OCK-RKC-10440)

Specifications

Fitment and replacement notes

• Factory replacement for older spec ZT730-3016 (Husqvarna).
• 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 ZT730-3036 a Kohler or a Rehlko engine?

Both. Kohler Engines rebranded to Rehlko; the design, factory and part number are unchanged. Kohler ZT730-3036 and Rehlko PA-ZT730-3036 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?

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

What does the ZT730-3036 replace?

It is the factory replacement for ZT730-3016.

Is this a genuine OEM engine?

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