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Caterpillar 279D Maintenance
The
Cat 279D compact track loader is powered by 203.1 cu.in (3.3L) Cat C3.3B
DIT 4-cylinder turbocharged diesel engine with a rated power of
71.8 hp (53.6 kW). The Caterpillar 279D is equipped with a two-speed
hydrostatic transmission, radial-lift loader boom, fully suspension
undercarriage, and 15.7" (400 mm) or 17.7" (450 mm) rubber tracks. The hydraulic
system has a high flow XPS pump with fluid flow rate of 32 gpm (121 lpm). The
hydraulic pressure is 4060 psi (280 bar). The loader has a rated operating
capacity of 2055 lbs (932 kg) and tipping load of 5870 lbs (2660 kg). The lift
height is 124.9" (3.18 m) to hinge pin, and dump height is 97.8" (2.49 m).
| Refill Capacities |
Engine Oil Capacity, gal (L) .................... 2.9 (11.0)
Engine Coolant Capacity, gal (L) .................... 3.7 (14.0)
Hydraulic Tank Fluid Capacity, gal (L) .................... 10.3 (39.0)
Hydraulic System Fluid Capacity, gal (L) .................... 13.7 (52.0)
Final Drive Oil Capacity, qts (L) .................... 1.1 (1.0)
| Recommended Oil and Fluid |
Engine Oil Type .................... Cat DEO-ULS, SAE 10W-30, 15W-40. API Service CE, CF-4, CG-4
Engine Coolant Type .................... Caterpillar Diesel Engine Antifreeze/Coolant
Hydraulic Fluid Type .................... Cat HYDO Advanced, SAE 30, SAE 10W, Cat TDTO-TMS Multi-Grade
Final Drive Oil Type .................... Cat Synthetic GO, SAE 75W-90 or 75W-140 Gear Oil, API Service GL-5
| Service Intervals |
Lubricate Cylinder Pivot Points .................... Every 50 Hours
Check and Adjust Track Tension .................... Every 100 Hours
Check and Adjust Alternator/Fan Belt .................... Every 250 Hours
Check Final Drive Oil Level .................... Every 250 Hours
Clean Primary Engine Air Filter .................... Every 250 Hours
Clean Cab Air Filters .................... Every 250 Hours
Change Engine Oil .................... Every 500 Hours
Replace Engine Oil Filter .................... Every 500 Hours
Replace Primary Fuel Filter .................... Every 500 Hours
Replace Final Fuel Filter .................... Every 500 Hours
Replace Primary Engine Air Filter .................... Every 500 Hours
Replace Secondary Engine Air Filter .................... Every 500 Hours
Replace Hydraulic Tank Breather .................... Every 500 Hours
Change Final Drive Oil .................... Every 500 Hours
Change Hydraulic Fluid .................... Every 1000 Hours
Replace Hydraulic Oil Filter .................... Every 1000 Hours
Replace Alternator/Fan Belt .................... Every 1000 Hours
Replace Cab Air Filters .................... Every 1000 Hours
Service And Refill Cooling System .................... Every 2000 Hours
| Replacement Parts |
Engine Oil Filter. Part Number .................... 377-6969
Primary Fuel Filter. Part Number .................... 363-5819
In-Line Fuel Filter. Part Number .................... 416-5884
Primary Engine Air Filter. Part Number .................... 110-6326
Secondary Engine Air Filter. Part Number .................... 110-6331
Cab Air Filter. Part Number .................... 265-6618, 265-6619
Hydraulic Oil Tank Breather. Part Number .................... 258-2829
Hydraulic Oil Filter. Part Number .................... 421-5479
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| COMPACT TRACK LOADERS SPECIFICATIONS |