John Deere 440D Skidder Specs


Manufacturer: John Deere
Type: Skidder
Dubuque, Iowa, USA
Welland, Ontario, Canada

John Deere 440D Engines

John Deere 4.5L 4-cyl diesel:
Fuel Tank: 42 gal (159 L)

John Deere 440D Transmission

6-speed partially synchronized

John Deere 440D Power

Engine (gross): 90 hp
Engine (net): 85hp


Chassis: 4×4 articulated 4WD
Final Drives: Planetary
Differential Lock: Hydraulic Front
Steering: articulated power
Brakes: Hydraulic Wet Disc
Cab: Four-post ROPS with screens.


Type: Closed Center
Pressure: 2000 psi (137.9 bar)
Pump Flow: 25 gpm (94.6 lpm)

Dimensions & Tires:

Wheelbase: 95 inches (241 cm)
Weight: 15090 pounds
Front tire: 18.4×26
Rear tire: 18.4×26


Charging system: alternator
batteries: 2
Battery volts: 12
Alternator: 42 amp


How to Adjust the Winch Brake Band

Your John Deere Power Winch is a important to your logging operation, and the key to its great performance is a well-adjusted brake band. Don’t worry, maintaining a properly adjusted brake band is easy – just follow the steps below and you’ll have your winch band installed with confidence.

Read More »

Winch Diagnostics

Troubleshooting a John Deere winch can be a daunting task, especially if you are not familiar with the inner workings of the machine. However, with some basic knowledge and the right tools, you can easily troubleshoot and fix any issues with your winch. In this article, we will discuss common problems with John Deere winches and provide you with troubleshooting tips to help you get your winch up and running smoothly.

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Engine Details

John Deere Diesel

Displacement: 276 ci (4.5 L)
Bore/Stroke: 4.19×5.00 inches (106 x 127 mm)
Power: 90 hp (67 kW)
Compression Ratio: 16.8:1
Air Cleaner: dry
Rated RPM: 2200
Torque: 253 lb-ft (343 Nm)
Torque RPM: 1300
Starter: electric
Starter volts: 12
Oil capacity: 15 qts (14.2 L)
Coolant capacity: 32 qts (30.3 L)

Transmission: Synchro-Range

Type: partially synchronized
Gears: 6 forward and 3 reverse
Clutch: 305mm dry disc
Speed (2200 rpm): 1.7 to 14.1 mph

John Deere 440D Tires

Front:16.9×30 or 18.4×2626 Rear:16.9×30 or 18.4×26


Wheelbase: 95 inches (241 cm)
Length: 223 inches (566 cm)
Height (ROPS): 112 inches (284 cm)
Synchro Shipping weight: 15090 lbs (6845 kg)

Attachment overview

The John Deere 440C Skidder was equipped with a 18,000 pound winch and 76-inch high arch.

Optional 72″ Blade:

Manufacturer: John Deere
Style: front-mount
Width: 83 inches (211 cm)
Lift: 50 inches (127 cm)
Cut: 11 inches (28 cm)