- Category: Wheel Dozers ➔
- Manufacturer: Caterpillar ➔
- Model: 844 ➔
The Caterpillar 844 Wheel Dozer is a powerful and efficient machine designed for tough earthmoving tasks. With a blade capacity of 20.8 cubic yards and a gross power of 620 horsepower, this wheel dozer is equipped to handle demanding jobs with ease. Meeting safety standards with features like ROPS/FOPS cab and sound performance levels, the Caterpillar 844 Wheel Dozer offers reliable performance and precision in various working conditions.
Axles
| Front | Fixed
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| Maximum Single-Wheel Rise and Fall | 23 in (57 cm)
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| Rear | Oscillating 11 degrees
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Blades
| Blade Capacity | 21 cu yd (16 cu m)
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| Blade Height | 6 ft (2 m)
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| Blade Width | 18 ft (5 m)
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Brakes
| Brakes | Meets SAE/ISO 3450 1996.
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Cab
| ROPS/FOPS | Meets SAE and ISO standards.
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| Sound Performance Levels | Meets ANSI SAE and ISO standards.
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Dimensions
| Ground Clearance | 2 ft (0 m)
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| Height - Top of Cab | 17 ft (5 m)
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| Length with Blade on Ground | 36 ft (11 m)
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| Wheelbase | 15 ft (5 m)
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| Width Over Tires | 14 ft (4 m)
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Engine
| Bore | 5 in (14 cm)
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| Displacement | 1,648 cu in (27,001 cu cm)
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| Engine Make | 2236
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| Engine Model | Cat 3412E
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| Flywheel Power | 620 hp (462 kw)
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| Gross Power | 620 hp (462 kw)
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| Number of Cylinders | 12
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| Power Measured @ | 2000 rpm
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| Stroke | 6 in (15 cm)
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Operating Specifications
| Blade Capacities | 15.9 to 30.7 m3 20.7 to 40.2 yd3
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| Fuel Capacity | 212 gal (803 l)
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| Ground Clearance | 2 ft (0 m)
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| Operating Weight | 155,117 lbs (70,360 kg)
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| Tire Size | 45/65-R39 PR
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Service Refill Capacities
| Cooling System | 50 gal (190 l)
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| Crankcase | 25 gal (95 l)
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| Differential - Final Drives - Front | 72 gal (271 l)
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| Fuel Tank - Standard | 260 gal (984 l)
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| Hydraulic Tank | 141 gal (534 l)
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| Transmission | 29 gal (110 l)
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Steering System
Tires
| Standard Tire Size | Two choices available.
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Transmission
| Converter Drive - Forward 1 | 4 mph (7 kph)
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| Converter Drive - Forward 2 | 8 mph (12 kph)
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| Converter Drive - Forward 3 | 13 mph (21 kph)
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| Converter Drive - Reverse 1 | 5 mph (8 kph)
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| Converter Drive - Reverse 2 | 8 mph (14 kph)
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| Converter Drive - Reverse 3 | 14 mph (23 kph)
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| Direct Drive - Forward 1 | 4.5 mile/h
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| Direct Drive - Forward 2 | 8 mph (13 kph)
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| Direct Drive - Forward 3 | 14 mph (23 kph)
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| Direct Drive - Reverse 1 | 5 mph (8 kph)
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| Direct Drive - Reverse 3 | 15 mph (25 kph)
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| Max Speed - Forward | 13 mph (21 kph)
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| Max Speed - Reverse | 14 mph (23 kph)
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| Number of Forward Gears | 3
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| Number of Forward Speeds | 3
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| Number of Reverse Gears | 3
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| Number of Reverse Speeds | 3
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Weights
| Operating Weight | 156,120 lbs (70,815 kg)
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