John Deere 748E Grapple Skidder - Parts, Specs & Repair Tips

Description:

The John Deere 748E Grapple Skidder is a powerhouse in the forestry world, built to handle extreme loads and demanding terrain. Known for its high torque, durable drivetrain, and large grapple capacity, the 748E remains a go-to choice for heavy logging operations needing both brute force and reliability.

Engine & Powertrain:

• Engine: John Deere 6076T Turbocharged Diesel

• Displacement: 466 cu in (7.6L)

• Rated Horsepower: 170–180 HP

• Fuel Capacity: 85 gallons

• Transmission: John Deere Powershift, 4-speed with torque converter

• Differential Lock: Hydraulic, manually controlled

Hydraulic System:

• Hydraulic Flow: ~45 GPM

• System Pressure: ~2,500 psi

• Pump Type: Gear-driven

• Grapple: Dual-function grapple with 1.48 m² (23 sq ft) capacity

• Winch: Equipped with John Deere 4000 Series hydraulic winch

Dimensions & Weight:

• Operating Weight: ~33,000–35,000 lbs

• Overall Length: 305 inches (with blade)

• Width (varies by tires): ~122 inches

• Height to Top of Cab: ~128 inches

• Tire Options: 30.5L-32 or 35.5L-32 flotation tires

• Ground Clearance: ~25 inches

Performance Highlights:

• Powerful torque for large timber extraction

• Dual arch grapple allows for greater lifting and sorting control

• Fully enclosed ROPS/FOPS cab for operator safety

• Heavy-duty front blade for clearing debris or grading trails

Maintenance Essentials:

• Frequent service of transmission filters and grapple pin bushings

• Replace steering cylinder seals, blade pins, and hydraulic hoses—see John Deere 748E hydraulic kits

• Monitor cooling system and radiator cleanliness, especially in warmer climates

• Shop reliable winch parts and brake components

Common Issues & Quick Fixes:

• Grapple Drift or Lag: Caused by leaking internal seals—rebuild with cylinder seal kits

• Transmission Slipping or Harsh Shifting: Often due to worn clutch disks or fluid contamination—change filters and fluid regularly

• Overheating During Long Runs: Clean radiator and inspect thermostats, hoses, and water pump

Pro Tip: Serial number plate is located on the right side frame near the articulation joint. Confirm prefix (e.g., DW748E) for correct parts ordering.

Keep your 748E moving timber efficiently—shop our full line of John Deere 748E Skidder parts today.