Caterpillar 279C
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Contents:
Dimensions
| Width Over Tracks | 6.5 ft in (1981 mm) |
| Height To Top Of Cab | 6.95 ft in (2117 mm) |
| Ground Clearance | 9.1 in (231.14 mm) |
| Clearance At Max Lift And Dump | 7.97 ft in (2427 mm) |
| Reach At Max Lift And Dump | 1.95 ft in (594 mm) |
| Length - Track On Ground | 69.6 in (1767.84 mm) |
| Length - With Bucket On Ground | 144.81 in (3677.92 mm) |
| Length - Without Bucket | 116.5 in (2959.1 mm) |
| Length With Out Bucket | 9.72 ft in (2960 mm) |
| Bucket Pin Height - Maximum Lift | 10.27 ft in (0.27 m) |
| Clearance At Maximum Lift And Dump | 95.6 in (2428.24 mm) |
| Departure Angle | 44 degrees |
| Height - Top Of Cab | 6.95 ft in (0.18 m) |
| Turning Radius From Center - Inc Bucket | 91.11 in (2314 mm) |
| Turning Radius From Center - Machine Rear | 64.57 in (1640 mm) |
| Vehicle Width | 78 in (1981.2 mm) |
| Length With Bucket | 12.08 ft in (3679 mm) |
| Bucket Pin Height - Carry Position | 7.7 in (195.58 mm) |
| Maximum Dump Angle | 40 degrees |
| Maximum Overall Height | 157.7 in (4005.58 mm) |
| Maximum Reach - With Arms Parallel | 54.6 in (1386.84 mm) |
| Overall Length - Track | 89.4 in (2270.77 mm) |
| Rack Back Angle - Maximum Height | 85 degrees |
| Reach At Maximum Lift/Dump | 23.4 in (594.36 mm) |
| Turn Radius From Center - Bucket | 91.1 in (2313.94 mm) |
| Turn Radius From Center - Coupler | 57.9 in (1470.66 mm) |
| Turn Radius From Center - Rear | 64.6 in (1640.84 mm) |
Undercarriage
| Length Of Track On Ground | 5.8 ft in (1767 mm) |
| Ground Contact Area | 2504 in2 (1.62 m2) |
| Ground Pressure | 4 psi (27.58 kPa) |
Engine
| Number Of Cylinders | 4 |
| Engine Make | 2236 |
| Engine Model | C3.4 DIT |
| Gross Power | 84 hp (62.7 kw) |
| Net Power | 82 hp (61.2 kw) |
| Power Measured @ | 2500 rpm |
| Displacement | 201 cu in (3.3 L) |
| Bore | 3.4 in (86.4 mm) |
| Stroke | 4.7 in (119.4 mm) |
| Aspiration | Turbocharged |
| Gross Power - Sae J1995 | 84 hp (62.7 kw) |
| Engine Model | Cat C3.4T |
| Net Power - Sae 1349 | 82 hp (61.2 kw) |
Operational
| Operating Weight | 9892 lb (4487 kg) |
| Cooling System Fluid Capacity | 3.7 gal (14 L) |
| Engine Oil Capacity | 2.7 gal (10 L) |
| Fuel Capacity | 25.9 gal (98 L) |
| Hydraulic System Fluid Capacity | 15.1 gal (57 L) |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 90 amps |
| Max Speed - Low Range | 5.1 mph (8.1 km/h) |
| Max Speed - High Range | 8.5 mph (13.6 km/h) |
Power Train
| Travel Speed Forward - 2-Speed | 8.5 mph (13.7 km/h) |
| Travel Speed Reverse - 2-Speed | 8.5 mph (13.7 km/h) |
| Travel Speed Forward | 5 mph (8.1 km/h) |
| Travel Speed Reverse | 5 mph (8.1 km/h) |
Loader
| Breakout Force | 7308 lb (3314.9 kg) |
| Operating Load | 3200 lb (1451.5 kg) |
| Tipping Angle | 6483 degrees |
| Bucket Capacity | 0.6 yd3 (0.4 m3) |
Weights
| Operating Weight | 9892 lb (4487 kg) |
Hydraulic
| Pump Flow | 22.2 gal/min (84 L/min) |
| Relief Valve Pressure | 3335 psi (22994 kPa) |
Hydraulic System
| Hydraulic Flow (1) | Standard |
| Hydraulic Power | 42.8 hp (32 kw) |
| Maximum Loader Hydraulic Flow | 33 gal/min |
| Maximum Loader Hydraulic Pressure | 4061 psi |
| Loader Hydraulic Pressure | 3335 psi |
| Loader Hydraulic Flow | 22 gal/min |
| Hydraulic Flow (2) | High Flow XPS |
Operating Specifications
| Rated Operating Capacities - 50% Tipping Load | 3200 lb (1451.5 kg) |
| Rated Operating Capacities - 35% Tipping Load | 2240 lb (1016.1 kg) |
| Ground Contact Area | 2504 in2 (1.7 m2) |
| Ground Pressure | 4 psi |
| Rated Operating Capacity With Optional Counterweight | 3465 lb (1571.7 kg) |
| Tipping Load | 6483 lb (2940.7 kg) |
| Breakout Force - Tilt Cylinder | 7308 lb (3314.9 kg) |
Service Refill Capacities
| Cooling System | 3.7 gal (14.1 L) |
| Fuel Tank | 26 gal (98.5 L) |
| Hydraulic Tank | 11 gal (41.7 L) |
| Engine Crankcase | 2.6 gal (9.9 L) |
| Hydraulic System | 15 gal (56.8 L) |
Cab
| Rops | SAE J1040 MAY94, ISO 3471:1994 |
| Fops | SAE J1043 SEPT87, ISO 3449:1992 Level I |
| Fops Level Ii | SAE J231 JAN81, ISO 3449:1992 Level II |
