KOMATSU D39PX-22 D39EX-22 Final Drive Travel Motor with Gearbox

1. Basic Info

• Item: Bulldozer integrated travel motor + planetary reduction final drive
• PN:11Y-27-30101,11Y-27-30100,11Y-27-30201,11Y-27-30200
• Fit Model: Komatsu D39PX-22, D39EX-22 bulldozer
• Grade: Genuine new / refurbished assembly
• Warranty:12 months

2. Core Advantages

• Manufactured strictly according to OEM standards for direct bolt‑on replacement
• Reinforced gears and heavy‑duty seals adapt to muddy construction sites and prevent oil leakage
• Refurbished products replace worn core spare parts and complete bench calibration to guarantee stable torque
• Each finished assembly undergoes professional testing to satisfy long‑time heavy‑load bulldozing operation

3. Technical Data

• Structure: Radial piston hydraulic motor + multi‑stage planetary gear reducer
• Displacement:86.4 cc/rev
• Max working pressure:32 MPa
• Rated output torque:12600 N·m
• Max travel speed:7.2 km/h
• Brake type: built‑in multi‑disc wet parking brake
• Seal type: abrasion‑resistant nitrile composite seal
• Rotation mode: bidirectional rotation
• Installation size: fully consistent with original OEM flange and bolt arrangement

4. Cross Reference

• Interchangeable PN group:11Y-27-30101,11Y-27-30100,11Y-27-30201,11Y-27-30200

5. Service

• Sufficient inventory supports global sea and air transportation; professional installation guidance and after‑sales technical support are available

6. FAQ

   ① Can these four part numbers be mutually replaced?

   Yes, they are alternative part numbers for left and right final drives of the same bulldozer model and interchangeable during maintenance.

   ② Is the product delivered as a complete assembly?

   Yes, the whole unit contains motor, gearbox and brake structure for direct installation.

   ③ What circumstances are not covered by warranty?

   Damage caused by incorrect installation, dirty hydraulic oil and overload operation is excluded from warranty.

   ④ Can you offer installation guidance?

   We provide installation instructions and continuous technical support after placing an order.