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Home / Wheel Loaders / John Deere Wheel Loaders / John Deere 444G

John Deere 444G Specifications

The John Deere 444G wheel loader is powered by John Deere 4045T vertical in-line four-cylinder direct injection turbocharged diesel engine with a rated power of 100 hp (74 kW) at 2350 rpm. The John Deere 444G is equipped with a two-range hydrostatic transmission, power steering system, hydraulic wet disc brakes, and 17.5x25 or 15.5x25 tires. The hydraulic system has a pump with fluid flow rate of 35.9 gpm (136 lpm). The wheel loader has a rated operating capacity of 6645 lbs (3020 kg) and tipping load of 13290 lbs (6040 kg). The maximum lift height is 139 inches (3530 mm) to hinge pin, and boom breakout force is 16170 lbs (7350 kg).

Engine Specs

Engine Model .................... John Deere 4045T
Engine Type .................... Vertical in-line 4-cylinder turbocharged diesel
Number of Cylinders .................... Four
Displacement, cu.in (L) .................... 276 (4.52)
Cylinder Bore, in (mm) .................... 4.17 (106.0)
Piston Stroke, in (mm) .................... 5.00 (127.0)
Aspiration Type.................... Turbocharged
Rated Engine Power, hp (kW) .................... 100.0 (74.0)
Maximum Engine Power, hp (kW) .................... 106.0 (79.0)
Rated Engine Speed, rpm .................... 2350
Maximum Torque, Nm (lb-ft) .................... 374 (276)
Torque Speed, rpm .................... 1250
Slow Idle Speed, rpm .................... 1000
Fast Idle Speed, rpm .................... 2525
Firing Order .................... 1-3-4-2
Combustion System .................... Direct Injection
Fuel System .................... Injection pump
Air Cleaner Type .................... Dry dual element
Lubrication System .................... Full pressure
Cooling System .................... Liquid-cooled
Fuel Tank Capacity, gal (L) .................... 36.9 (140.0)
Oil Capacity, qts (L) .................... 13.7 (13.0)
Coolant Capacity, qts (L) .................... 31.5 (30.0)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 45

Transmission

Transmission Type .................... Hydrostatic, 2-range
Number of Forward Gears .................... 2
Number of Reverse Gears .................... 2
Forward Speed (Low Range), mph (kph) .................... 8.1 (13.0)
Forward Speed (High Range), mph (kph) .................... 20.0 (32.2)
Reverse Speed (Low Range), mph (kph) .................... 8.1 (13.0)
Reverse Speed (High Range), mph (kph) .................... 20.0 (32.2)

Wheels and Tires

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydrostatic power
Service Brakes Type .................... Hydraulic wet disc
Front Tire Size (Std) .................... 17.5x25
Rear Tire Size (Std) .................... 17.5x25
Front Tire Size (Opt) .................... 15.5x25
Rear Tire Size (Opt) .................... 15.5x25

Hydraulic System

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Gear
Pump Flow, gpm (Lpm) .................... 35.9 (136.0)
System Pressure, psi (Bar) .................... 3130 (216)
Hydraulic System Capacity, gal (L) .................... 15.8 (60.0)
Number of Valves .................... 3

Loader Performance

Rated Operating Capacity (Straight, Bucket), lbs (kg) .................... 7950 (3615)
Rated Operating Capacity (Full Turn, Bucket), lbs (kg) .................... 6645 (3020)
Rated Operating Capacity (Straight, Forks), lbs (kg) .................... 5140 (2330)
Rated Operating Capacity (Full Turn, Forks), lbs (kg) .................... 4400 (1995)
Tipping Load (Straight, Bucket), lbs (kg) .................... 15900 (7230)
Tipping Load (Full Turn, Bucket), lbs (kg) .................... 13290 (6040)
Tipping Load (Straight, Forks), lbs (kg) .................... 10280 (4660)
Tipping Load (Full Turn, Forks), lbs (kg) .................... 8800 (3990)
Breakout Force (Bucket), lbs (kg) .................... 16170 (7350)
Lift Capacity (Forks), lbs (kg) .................... 11300 (5125)

Dimensions and Weight

Maximum Lift Height (Bucket Hinge Pin), in (mm) .................... 139 (3530)
Maximum Lift Height (Forks), in (mm) .................... 133.3 (3385)
Height To Top Of Cab, in (mm) .................... 123.6 (3140)
Length With Bucket On Ground, in (mm) .................... 257.9 (6550)
Length With Forks On Ground, in (mm) .................... 288.4 (7325)
Width (Tread Center), in (mm) .................... 72.8 (1850)
Width (Over Tires), in (mm) .................... 92.1 (2340)
Wheel Base, in (mm) .................... 104.3 (2650)
Ground Clearance, in (mm) .................... 16.7 (425)
Articulation Angle, deg .................... 40
Working Width (Bucket), in (mm) .................... 95 (2410)
Heaped Capacity (Bucket), cu.ft (m3) .................... 60.1 (1.70)
Digging Depth (Bucket), in (mm) .................... 3.3 (85)
Digging Depth (Forks), in (mm) .................... 1.5 (37)
Rollback Angle At Ground (Bucket), deg .................... 48
Dump Angle At Full Height (Bucket), deg .................... 45
Dumping Height (Bucket), in (mm) .................... 106.2 (2695)
Reach At Full Height (Bucket Dumped), in (mm) .................... 42.8 (1085)
Working Length (Forks), in (mm) .................... 60 (1525)
Clearance At Max Reach (Forks), in (mm) .................... 64 (1625)
Maximum Reach (Forks), in (mm) .................... 56 (1420)
Reach At Full Height (Forks), in (mm) .................... 25.2 (640)
Reach At Ground Level (Forks), in (mm) .................... 32.5 (825)
Turning Radius (w/Bucket), in (mm) .................... 211.4 (5370)
Operating Weight (Bucket), lbs (kg) .................... 21155 (9600)
Operating Weight (Forks), lbs (kg) .................... 20920 (9490)

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