- Category: Crawler Dozers ➔
- Manufacturer: Case ➔
- Model: 850M ➔
The Case 850M is a crawler dozer designed for grading, site preparation, and general earthmoving work. It is part of Case Construction Equipment's M Series and is used in construction, utility, roadbuilding, and land clearing applications. The 850M features a hydrostatic drive system, a six-way blade, and a low-ground-pressure undercarriage for traction and control on varied terrain. Operator controls are arranged for precision dozing and finish grading. The model is commonly selected for its balance of maneuverability, pushing power, and visibility in compact to mid-size dozer applications.
Blades
| Blade Capacity | 42 cu yd (32 cu m)
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| Blade Height | 44 in (112 cm)
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| Blade Type | PAT
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| Blade Width | 11 ft (3 m)
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Capacities
| Engine oil with filter | 4 gal (17 l)
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Dimensions
| Blade depth below ground | 19 in (49 cm)
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| Blade lift above ground | 34 in (87 cm)
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| Ground Clearance | 1 ft (0 m)
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| Height - Top of Cab | 116 in (296 cm)
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| Height - Top of ROPS/FOPS | 116 in (296 cm)
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| Length of Track on Ground | 9 ft (3 m)
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| Width Over Tracks | 8 ft (2 m)
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Drive System
| Final drive | 2 helical gear
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| Max drawbar pull | 47,997 lbs (21,771 kg)
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| Parking brakes | Heavy-duty spring-applied
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Electrical System
| Alternator | 120 amp
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| Batteries | 2 volts
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| Battery | 12-volt low-maintenance
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Engine
| Air intake | Cross-Flow
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| Cooling system | Liquid
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| Diesel exhaust fluid (DEF) tank capacity | 14 gal (52 l)
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| Displacement | 409 cu in (6,701 cu cm)
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| Emission Tier Level | Tier4
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| Engine Model | FPT F4HFE613F
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| Fan | 26.0 in(660mm)Diameter
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| Fuel | 2 Diesel
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| Fuel injection | Common rai
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| Fuel tank | 85 gal (322 l)
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| Gross Power | 138 hp (103 kw)
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| Net Power | 127 hp (95 kw)
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| Number of Cylinders | 6
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| Power Measured @ | 2000 rpm
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| Pump operating angles - Fore and aft | 45 degrees
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| Pump operating angles -Side-to-side | 35 degrees
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| Transmission Type | Hydrostatic
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Hydraulic System
| Lift cylinder - Rod diameter | 2 in (5 cm)
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| Lift cylinder - Stroke | 19 in (49 cm)
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| Lift cylinder(s) | 2
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| Lift cylinder-Bore diameter | 4 in (11 cm)
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| Pump type | Variable Displacement Piston
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Operating Specifications
| center rock guard | 296 lbs (134 kg)
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| Long track | 31,134 lbs (14,122 kg)
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| Low ground pressure | 32,637 lbs (14,804 kg)
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| Operating Weight | 32,637 lbs (14,804 kg)
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| Sweeps | 139 lbs (63 kg)
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| Winch | 2,447 lbs (1,110 kg)
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Performance
| Pump Flow | 35 gpm (132 lpm)
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Standard Blade
| Blade Angle (both directions) | 25 degrees
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Transmission
| Max Speed - Forward | 6 mph (9 kph)
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| Max Speed - Reverse | 6 mph (9 kph)
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Undercarriage
| Number of bottom rollers per side | 7
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| Number of Shoes per Side | 43
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| Number of Upper Rollers | 2
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| Track Gauge | 0 ft (0 m)
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| Width of Shoes | 30 in (76 cm)
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Weights
| Cab | 560 lbs (254 kg)
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| counterweight | 948 lbs (430 kg)
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| Ripper weight | 2,377 lbs (1,078 kg)
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