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Metric | Imperial
844K Wheel Dozer
Wheel Dozers
844K
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814K Wheel Dozer
Wheel Dozers
814K
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824K Wheel Dozer
Wheel Dozers
824K
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Engine Expand Collapse
Engine Model
C27 Cat®
C7.1 Cat®
Cat® C15 
Gross Power
752.0 hp 561.0 kW
435 hp 324 kW
Bore
5.4 in 137.2 mm
4.1 in 105 mm
5.4 in 137.2 mm
Stroke
6.0 in 152.4 mm
5.3 in 135 mm
6.7 in 171.4 mm
Displacement
1649.5 in³ 27.03 l
427.8 in³ 7.01 l
927.6 in³ 15.2 l
Torque Rise
18.0 % 18.0 %
52%
Net Power - SAE J1349 - Standard Ambient
699.0 hp 521.0 kW
Net Power - SAE J1349:2011
699.0 hp 521.0 kW
Gross Power - ISO 14396
752.0 hp 561.0 kW
Net Power - SAE J1349 - High Ambient
648.0 hp 483.0 kW
Peak Torque - Speed
2624.0 lb/ft 3557.0 N·m
Emissions
U.S. EPA Tier 4 Final or Tier 2 Equivalent
EPA Tier 4 Final (USA) bzw. Stufe IV (EU)
Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Rated Speed
1800.0 r/min 1800.0 r/min
2200 r/min 2200 r/min
Gross Power - SAE J1995:2014
766.0 hp 571.0 kW
Operating Weight
165089.0 lb 74883.0 kg
48390 lb 21950 kg
74966 lb 34004 kg
Converter Drive - Forward 1
4.5 mile/h 7.3 km/h
Converter Drive - Forward 2
8.3 mile/h 13.3 km/h
Converter Drive - Forward 3
14.2 mile/h 22.9 km/h
Converter Drive - Reverse 1
4.9 mile/h 7.9 km/h
Converter Drive - Reverse 2
9.1 mile/h 14.7 km/h
Converter Drive - Reverse 3
15.5 mile/h 24.9 km/h
Direct Drive - Forward 2
8.5 mile/h 13.7 km/h
Direct Drive - Forward 3
15.2 mile/h 24.5 km/h
Direct Drive - Reverse 1
5.4 mile/h 8.7 km/h
Direct Drive - Reverse 2
9.6 mile/h 15.4 km/h
Direct Drive - Reverse 3
16.4 mile/h 26.4 km/h
Transmission Type
Cat Planetary Power Shift
Cat Planetary Power Shift
Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
Direct Drive - Forward 1
Lock-up disabled
Fuel Tank - Standard
286.6 gal (US) 1085.0 l
Cooling System
54.9 gal (US) 208.0 l
30.6 gal (US) 116 l
Crankcase
20.0 gal (US) 76.0 l
Transmission
29.1 gal (US) 110.0 l
17.4 gal (US) 66 l
17.4 gal (US) 66 l
Differential - Final Drives - Front
71.6 gal (US) 271.0 l
26.4 gal (US) 100 l
26.4 gal (US) 100 l
Differential - Final Drives - Rear
68.9 gal (US) 261.0 l
29.1 gal (US) 110 l
29.1 gal (US) 110 l
Hydraulic System - Implement and Hydraulic Fan
68.9 gal (US) 261.0 l
Hydraulic System - Steering and Braking
34.9 gal (US) 132.0 l
Cab - ROPS/FOPS (1)
Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
Air Conditioning
Standard air conditioning system contains environmentally friendly R134a refrigerant
ROPS
ROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.
Cab - ROPS/FOPS (2)
SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
FOPS
FOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
Brakes
Meets ISO 3540:2011
Single Disc Wet (enclosed) 4 WHL
Front
Fixed
Planetary – Fixed
Planetary – Fixed
Rear
Trunnion
Planetary – Oscillating
Planetary – Oscillating
Oscillation Angle
8.5 ° 8.5 °
±11°
±11°
Blade Capacity Range
15,9-30,7 m3 (20,7-40,2 yd.3)
Machine Sound Level (ISO 6395:2008)
115.0 dB(A) 115.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A) 69.0 dB(A)
Machine Sound Level (ISO 6395:2008)
115.0 dB(A) 115.0 dB(A)
Operator Sound Level (ISO 6396:2008)
69.0 dB(A) 69.0 dB(A)
Relief Valve Setting - Tilt Cylinders (Small Pump)
2920.0 psi 20150.0 kPa
Output at 2,000 rpm and 6900 kPa (1,000 psi)
82.0 gpm 311.0 L/min
Cylinders, Double Acting - Lift, Bore and Stroke
133 mm × 1535 mm (5.25 in × 60.4 in)
120 mm × 915 mm (4.7 in × 36.0 in)
120 mm × 1070 mm (4.7 in × 42.1 in)
Relief Valve Setting - Bulldozer (Large Pump)
2700.0 psi 18650.0 kPa
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
210 mm × 188 mm (8.25 in × 7.4 in)
140 mm × 230 mm (5.5 in × 9.1 in)
Total Steering Angle
35.0 ° 35.0 °
72°
Steering System - Circuit
Pilot, load sensing
Pilot, load sensing
Double Acting – End Mounted
Minimum Turning Radius - Over Blade
34.0 ft 10369.0 mm
Relief Valve Setting
4500.0 psi 31000.0 kPa
Steering System - Pump
Piston, variable displacement
Variable displacement piston
Piston – Variable Displacement
Maximum Flow
94.3 gpm 357.0 L/min
Height - Top of Exhaust Pipe
16.6 ft 5049.0 mm
Wheel Base
15.1 ft 4600.0 mm
12.1 ft 3700 mm
12.1 ft 3700 mm
Length - With Blade on Ground
36.5 ft 11120.0 mm
Centerline of Rear Axle to Edge of Bumper
12.5 ft 3795.0 mm
9.3 ft 2830 mm
9.3 ft 2830 mm
Centerline of Front Axle to Hitch
7.5 ft 2300.0 mm
6.1 ft 1850 mm
6.1 ft 1850 mm
Height - Top of ROPS
17.2 ft 5240.0 mm
Ground Clearance
2.0 ft 596.0 mm
1.4 ft 441.4 mm
1.4 ft 441.4 mm
Height - Top of Hood
12.7 ft 3862.0 mm
10.5 ft 3204 mm
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