SPECS SUMMARY

Engine ModelCat® C27 ACERT™
Gross Power752 HP (561 kW)
Operating Weight165089 lb (74883 kg)
Cat Large Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. Engineered for your demanding work in large dozing applications, the 844K Wheel Dozer is the largest in the Cat Wheel Dozer line and is an ideal match for large mining operations, power generating utilities, the general contracting industry and wherever mobility, versatility and compaction is needed.


Specifications

-Engine ModelCat® C27 ACERT™
-Gross Power752 HP (561 kW)
-Operating Weight165089 lb (74883 kg)
-Bore5.4 in (137.2 mm)
-Stroke6 in (152.4 mm)
-Displacement1649.5 in³ (27.03 l)
-Torque Rise18 % (18 %)
-Converter Drive - Forward 14.5 mile/h (7.3 km/h)
-Converter Drive - Forward 28.3 mile/h (13.3 km/h)
-Converter Drive - Forward 314.2 mile/h (22.9 km/h)
-Converter Drive - Reverse 14.9 mile/h (7.9 km/h)
-Converter Drive - Reverse 29.1 mile/h (14.7 km/h)
-Converter Drive - Reverse 315.5 mile/h (24.9 km/h)
-Direct Drive - Forward 28.5 mile/h (13.7 km/h)
-Direct Drive - Forward 315.2 mile/h (24.5 km/h)
-Direct Drive - Reverse 15.4 mile/h (8.7 km/h)
-Direct Drive - Reverse 29.6 mile/h (15.4 km/h)
-Direct Drive - Reverse 316.4 mile/h (26.4 km/h)
-Fuel Tank - Standard286.6 gal (US) (1085 l)
-Cooling System54.9 gal (US) (208 l)
-Crankcase20 gal (US) (76 l)
-Transmission29.1 gal (US) (110 l)
-Differential - Final Drives - Front71.6 gal (US) (271 l)
-Differential - Final Drives - Rear68.9 gal (US) (261 l)
-FrontFixed
-RearTrunnion
-BrakesMeets ISO 3540:2011
-Operator Sound Level (ISO 6396:2008)69 dB(A) (69 dB(A))
-Maximum Flow94.3 gal/min (357 l/min)
-Cylinder, Double Acting - Tilt and Tip, Bore and Stroke210 mm × 188 mm (8.25 in × 7.4 in)
-Minimum Turning Radius - Over Blade34 ft (10369 mm)
-Relief Valve Setting - Bulldozer (Large Pump)2700 psi (18650 kPa)
-Output at 2,000 rpm and 6900 kPa (1,000 psi)82 gal/min (311 l/min)
-Relief Valve Setting4500 psi (31000 kPa)
-Cylinders, Double Acting - Lift, Bore and Stroke133 mm × 1535 mm (5.25 in × 60.4 in)
-Relief Valve Setting - Tilt Cylinders (Small Pump)2920 psi (20150 kPa)
-Wheel Base15.1 ft (4600 mm)
-Total Steering Angle35 ° (35 °)
-Height - Top of Hood12.7 ft (3862 mm)
-Height - Top of ROPS17.2 ft (5240 mm)
-Machine Sound Level (ISO 6395:2008)113 dB(A) (113 dB(A))
-Steering System - PumpPiston, variable displacement
-Height - Top of Exhaust Pipe16.6 ft (5049 mm)
-Length - With Blade on Ground36.5 ft (11120 mm)
-Centerline of Front Axle to Hitch7.5 ft (2300 mm)
-Centerline of Rear Axle to Edge of Bumper12.5 ft (3795 mm)
-Ground Clearance2 ft (596 mm)
-Steering System - CircuitPilot, load sensing
-Hydraulic System - Implement and Hydraulic Fan68.9 gal (US) (261 l)
-Net Power - SAE J1349 - Standard Ambient699 HP (521 kW)
-Peak Torque - Speed2624 lb/ft (3557 N·m)
-Rated Speed1800 r/min (1800 r/min)
-Direct Drive - Forward 1Lock-up disabled
-Net Power - SAE J1349 - High Ambient648 HP (483 kW)
-Net Power - SAE J1349699 HP (521 kW)
-EmissionsU.S. EPA Tier 4 Final or Tier 2 Equivalent
-Gross Power - ISO 14396752 HP (561 kW)
-Gross Power - SAE J1995766 HP (571 kW)
-Transmission TypeCat Planetary Power Shift
-Hydraulic System - Steering and Braking34.9 gal (US) (132 l)
-Oscillation Angle8.5 ° (8.5 °)
-Blade Capacity Range15.9-30.7 m3 (20.7-40.2 yd3)
-Machine Sound Level (ISO 6395:2008)115 dB(A) (115 dB(A))
-ROPSROPS meets SAE J11040 APR88, ISO 3471:2008 and ISO 3471:1994 criteria.
-FOPSFOPS meets SAE J231 JAN81 and ISO 3449:1992 Level II criteria.
-Air ConditioningStandard air conditioning system contains environmentally friendly R134a refrigerant
-Cab - ROPS/FOPS (1)Cat cab with separate ROPS/FOPS is standard in North America, Europe and Japan.
-Cab - ROPS/FOPS (2)SAE J11040 APR88, ISO 3471:2008, ISO 3471:1994
-Operator Sound Level (ISO 6396:2008)69 dB(A) (69 dB(A))

Benefits and Features

Standard Equipment

  • OPERATOR ENVIRONMENT
  • POWER TRAIN
  • ELECTRICAL
  • OTHER

Optional Equipment

  • POWER TRAIN
  • BLADES
  • OPERATOR ENVIRONMENT
  • MISCELLANEOUS ATTACHMENTS

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