John Deere 640H, 648H Skidder Repair Technical Manual TM11811

John Deere repair technical manual TM11811 for the 640H cable skidder and 648H grapple skidder, from serial 630436.

The engine is the PowerTech Plus 6.8 L (6068), Tier 3. The book covers the whole machine, including the winch, arch, grapple and stacking blade.

Compatibility and quick facts

• Make: John Deere
• Models: 640H, 648H
• Book code: TM11811
• Serial range: 630436 and up
• Engine: PowerTech Plus 6.8 L (6068), Tier 3
• Companion book: 640H/648H Operation and Test manual
• Edition: 10 Mar 2016
• Manual type: Technical manual (repair)
• Language: English
• Length: 480 pages
• Format: PDF, download link right after checkout

What is inside

• Wheels, axles and suspension
• Transmission, torque converter and dampener drive
• Engine removal and auxiliary systems: cooling, intake, exhaust, fuel
• Steering, service brakes and park brake
• Frame, operator station and sheet metal
• Main hydraulic system
• Winch, arch and grapple
• Stacking blade
• Dealer fabricated tools

Good to know before you buy

John Deere technical manuals are written for a trained mechanic. Each group opens with the special tools, specs, wear limits and torque values, then the steps.

This is the repair half. Diagnostics and pressure tests are in the Operation and Test manual.

Common questions

Does it cover the grapple and winch?
Yes. Both have their own sections.

Is engine overhaul included?
No, engine removal only. Overhaul is in the PowerTech 6.8L engine manual.