John Deere 444K Wheel Loader Specs
 
Engine
Type John Deere PowerTech 4045H
complies with EPA Tier 3 regulations
Cylinders 4
Valves per Cylinder 2
Displacement 276 cu. in. (4.5 L)
Net Peak Power (ISO9249) 128 hp (95 kW) @ 2,100 rpm
Net Peak Torque (ISO9249) 380 lb. ft. (515 Nm) @ 1,400 rpm
Aspiration turbocharged and charge air cooled
Air Cleaner dual element dry type; restriction indicator in cab
Fan Drive hydraulically driven, proportionally controlled, fan aft of coolers
Electrical System 24 volt with 80-amp alternator
Batteries (two 12 volt) 950 CCA

 

Transmission
Travel Speeds
        Gear 1
        Gear 2
        Gear 3
        Gear 4		 Forward
4.5 mph (7.2 km/h)
7.5 mph (12.1 km/h)
14.4 mph (23.1 km/h)
22.4 mph (36.0 km/h)		 Reverse
4.7 mph (7.5 km/h)
8.1 mph (13.1 km/h)
15.7 mph (25.3 km/h)
 

 

Refill Capacities
Fuel Tank (with ground level fueling) 64 gal. (242 L)
Cooling System 20 qt. (19 L)
Engine Oil, Including Filter 18.5 qt. (17.5 L)
Transmission, Including Filter 19.5 qt. (18.5 L)
Differential (front and rear, each axle) 23 qt. (22 L)
Hydraulic Reservoir and Filters 24 gal. (91 L)
Wet-Disc Parking Brake 10 oz. (0.3 L)

 
Dimensions (with Pin On Bucket) Standard Z-Bar High-Lift Z Bar
A) Height to Top of Cab 10 ft. 5 in. (3.17 m) 10 ft. 5 in. (3.17 m)
C) Ground Clearance 15.5 in. (393 mm) 15.5 in. (393 mm)
D) Length from Centerline to Front Axle 4 ft. 6 in. (1.37 m) 4 ft. 6 in. (1.37 m)
E) Wheelbase 9 ft. 1 in. (2.76 m) 9 ft. 1 in. (2.76 m)
F) Dump Clearance see below see below
G) Height to Hinge Pin, Fully Raised 11 ft. 10 in. (3.60 m) 13 ft. 1 in. (4.00 m)
H) Dump Reach see below see below
I) Maximum Digging Depth 4.1 in. (105 mm) 4.1 in. (105 mm)
J) Overall Length see below see below
K) Maximum Rollback at Ground Level 41 degrees 41 degrees
L) Maximum Rollback, Boom Fully Raised 55 degrees 55 degrees
M) Maximum Bucket Angle, Fully Raised 50 degrees 50 degrees

 

Dimensions (with Quick-Coupler and Bucket)
  Standard Z Bar High Lift Z Bar
A) Dump Clearance see below see below
B) Dump Reach see below see below
C) Maximum Digging Depth 5.5 in. (139 mm) 5.8 in. (148 mm)
D) Height to Hinge Pin, Fully Raised 11 ft. 10 in. (3.60 m) 13 ft. 1 in. (3.98 m)
E) Overall Length see below see below
F) Maximum Rollback, Boom Fully Raised 55 degrees 49 degrees
G) Maximum Bucket Discharge Angle, Fully Raised 42 degrees 45 degrees
H) Maximum Rollback at Ground Level 42 degrees 39 degrees

 

 

Dimensions (with Quick-Coupler and Construction Fork)
  Standard Z Bar High Lift Z Bar
A) Reach, Fully Raised 34 in. (0.86 m) 34 in. (0.86 m)
B) Fork Height, Fully Raised 11 ft. 3 in. (3.44 m) 12 ft. 5 in. (3.79 m)
C) Maximum Reach, Fork Level 5 ft. 2 in. (1.57 m) 6 ft. 0 in. (1.84 m)
D) Fork Height, Maximum Reach 5 ft. 6 in. (1.69 m) 5 ft. 7 in. (1.70 m)
E) Reach, Ground Level 3 ft. 2 in. (0.97 m) 4 ft. 4 in. (1.31 m)
F) Depth Below Ground 4.2 in. (107 mm) 0.6 in. (16 mm)
G) Tine Length see below see below
H) Overall Length see below see below

 

Standard Z-Bar Information with Pin On Bucket
Bucket Type/Size General Purpose w/ Bolt on Edge
Capacity, Heaped SAE 2.5 cu. yd. (1.9 m3)
Capacity, Struck SAE 2.1 cu. yd. (1.6 m3)
Bucket Weight 1,919 lb (870 kg)
Bucket Width 8 ft. 4 in. (2.54 m)
Breakout Force, SAE J732C 16,656 lb (7555 kg)
Tipping Load, Straight 17,392 lb (7889 kg)
Tipping Load, 40-Degree Full Turn, SAE 15,091 lb (6845 kg)
Reach, 45-Degree Dump, 7 ft (2.13 m) Clearance 5 ft. 10 in. (1.78 m)
Reach, 45-Degree Discharge, Full Height 3 ft. 9 in. (1.15 m)
Dump Clearance, 45-Degree  Full Height 9 ft. 6 in. (2.90 m)
Overall Length, Bucket on Ground 24 ft. 3 in. (7.38 m)
Loader Clearance Circle, Bucket in Carry Position 37 ft. 5 in. (11.39 m)
Operating Weight 24,621 lb (11 168 kg)

 

Standard Z-Bar Information with Quick Coupler and Bucket
Bucket Type/Size General Purpose w/ Bolt on Edge
Capacity, Heaped SAE 2.5 cu. yd. (1.9 m3) 2.0 cu. yd. (1.5 m3)
Capacity, Struck SAE 2.1 cu. yd. (1.6 m3) 1.6 cu. yd. (1.2 m3)
Bucket Weight 2,756 lb (1250 kg) 2,594 lb (1177 kg)
Bucket Width 8 ft. 4 in. (2.54 m) 8 ft. 4 in. (2.54 m)
Breakout Force, SAE J732C 14,762 lb (6696 kg) 15,765 lb (7151 kg)
Tipping Load, Straight 18,431 lb (8360 kg) 18,790 lb (8523 kg)
Tipping Load, 40-Degree Full Turn, SAE 15,936 lb (7229 kg) 16,272 lb (7381 kg)
Reach, 45-Degree Dump, 7 ft (2.13 m) Clearance 4 ft. 10 in. (1.47 m) 4 ft. 9 in. (1.44 m)
Reach, 45-Degree Discharge, Full Height 3 ft. 9 in. (1.15 m) 3 ft. 6 in. (1.07 m)
Dump Clearance, 45-Degree  Full Height 8 ft. 4 in. (2.54 m) 8 ft. 7 in. (2.62 m)
Overall Length, Bucket on Ground 23 ft. 1 in. (7.05 m) 22 ft. 9 in. (6.93 m)
Loader Clearance Circle, Bucket in Carry Position 34 ft. 9 in. (11.19 m) 36 ft. 6 in. (11.13 m)
Operating Weight 25,208 lb (11 434 kg) 25,047 lb (11 361 kg)

 

Standard Z-Bar with Quick Coupler and Construction Fork
Tine Length 48 in. (1.22 m) 60 in. (1.52 m)
Overall Length 24 ft. 5 in. (7.45 m) 25 ft. 6 in. (7.77 m)
Tipping Load, Straight (fork level, load centered and positioned at 50% tine length) 13,691 lb (6210 kg) 12,899 lb (5851 kg)
Tipping Load, 40 deg. Full Turn (fork level, load centered and positioned at 50% tine length) 11,892 lb (5394 kg) 11,193 lb (5077 kg)
Operating Weight 24,610 lb (11 163 kg) 24,705 lb (11 206 kg)

 

High-Lift Z-Bar Pin-On Type Bucket
Bucket Type/Size General Purpose w/ Bolt on Edge
Capacity, Heaped SAE 2.5 cu. yd. (1.9 m3)
Capacity, Struck SAE 2.1 cu. yd. (1.6 m3)
Bucket Weight 1,919 lb (870 kg)
Bucket Width 8 ft. 4 in. (2.54 m)
Breakout Force, SAE J732C 16,656 lb (7555 kg)
Tipping Load, Straight 17,392 lb (7889 kg)
Tipping Load, 40-Degree Full Turn, SAE 15,091 lb (6845kg)
Reach, 45-Degree Dump, 7 ft (2.13 m) Clearance 5 ft. 10 in. (1.78 m)
Reach, 45-Degree Discharge, Full Height 3 ft. 9 in. (1.15 m)
Dump Clearance, 45-Degree  Full Height 9 ft. 6 in. (2.90 m)
Overall Length, Bucket on Ground 24 ft. 3 in. (7.38 m)
Loader Clearance Circle, Bucket in Carry Position 37 ft. 5 in. (11.39 m)
Operating Weight 24,621 lb (11 168 kg)

 

High-Lift Z-Bar Quick Coupler Bucket
Bucket Type/Size General Purpose w/ Bolt on Edge
Capacity, Heaped SAE 2.5 cu. yd. (1.9 m3) 2.0 cu. yd. (1.5 m3)
Capacity, Struck SAE 2.1 cu. yd. (1.6 m3) 1.6 cu. yd. (1.2 m3)
Bucket Weight 2,756 lb (1250 kg) 2,594 lb (1177 kg)
Bucket Width 8 ft. 4 in. (2.54 m) 8 ft. 4 in. (2.54 m)
Breakout Force, SAE J732C 13,550 lb (6146 kg) 14,500 lb (6577 kg)
Tipping Load, Straight 15,635 lb (7092 kg) 15,980 lb (7249 kg)
Tipping Load, 40-Degree Full Turn, SAE 13,459 lb (6105 kg) 13,782 lb (6251 kg)
Reach, 45-Degree Dump, 7 ft (2.13 m) Clearance 5 ft. 10 in. (1.78 m) 5 ft. 9 in. (1.75 m)
Reach, 45-Degree Discharge, Full Height 3 ft. 9 in. (1.15 m) 3 ft. 6 in. (1.07 m)
Dump Clearance, 45-Degree  Full Height 9 ft. 6 in. (2.90 m) 9 ft. 9 in. (2.98 m)
Overall Length, Bucket on Ground 24 ft. 3 in. (7.38 m) 23 ft. 10 in. (7.26 m)
Loader Clearance Circle, Bucket in Carry Position 37 ft. 7 in. (11.47 m) 37 ft. 4 in. (11.39 m)
Operating Weight 25,459 lb (11 548 kg) 25,298 lb (11 475 kg)

 

High Lift Z-Bar with Quick Coupler and Construction Fork
Tine Length 48 in. (1.22 m) 60 in. (1.52 m)
Overall Length 25 ft. 7 in. (7.79 m) 26 ft. 6 in. (8.09 m)
Tipping Load, Straight (fork level, load centered and positioned at 50% tine length) 12,291 lb (5575 kg) 11,621 lb (5271 kg)
Tipping Load, 40 deg. Full Turn (fork level, load centered and positioned at 50% tine length) 10,646 lb (4829 kg) 10,053 lb (4560 kg)
Operating Weight 24,862 lb (11 277 kg) 24,956 lb (11 320 kg)
 
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