Bobcat S770 Skid Steer Maintenance Data

The Bobcat S770 skid steer loader driveline system components: a 230 cu.in (3.8L) Kubota V3800-DI-TE3 4-cylinder direct injection turbocharged diesel engine with a rated power of 88.1 hp (65.6 kW), and fully hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 23 gal/min (87.1 l/min). The system relief pressure is 3550 psi (245 bar). The Bobcat S770 is equipped with hydraulic wet disc brakes and 12x16.5-12 tires. The skid steer loader has a boom lifting force of 5490 lbs (2490 kg) and bucket breakout force of 5035 lbs (2285 kg). The rated operating capacity is 3350 lbs (1520 kg), and tipping load is 6700 lbs (3040 kg).

Refill Capacities

Engine Oil Capacity, gal (L) ...................... 3.0 (11.4)
Engine Coolant Capacity, gal (L) ...................... 3.8 (14.4)
Hydraulic Reservoir Fluid Capacity, gal (L) ...................... 2.6 (9.8)
Hydraulic System Fluid Capacity, gal (L) ...................... 10.0 (37.9)
Chain Case Oil Capacity, gal (L) ...................... 10.5 (39.7)

Recommended Oil and Fluid

Engine Oil Type ...................... SAE 10W-30, 15W-40, SAE 20. API Service Category CI-4, CJ-4, or CK-4
Engine Coolant Type ...................... Bobcat PG Coolant or Bobcat EG Coolant
Hydraulic Fluid Type ...................... VG-100, VG-46, Bobcat Synthetic Fluid, or Bobcat All-Season Fluid
Chain Case Oil Type ...................... VG-100, VG-46, Bobcat Synthetic Fluid, or Bobcat All-Season Fluid

Service Intervals

Lubricate Cylinder Pivot Points ...................... Every 50 Hours
Check Hydraulic Fluid Level ...................... Every 50 Hours
Check Chain Case Oil Level ...................... Every 50 Hours
Check Battery Connections ...................... Every 100 Hours
Clean Primary Air Filter ...................... Every 250 Hours
Change Engine Oil ...................... Every 250 Hours
Replace Engine Oil Filter ...................... Every 250 Hours
Check Alternator Belt Tension ...................... Every 250 Hours
Replace Fuel Filter Element ...................... Every 250 Hours
Check Drive Belt ...................... Every 250 Hours
Replace Charge Filter ...................... Every 500 Hours
Replace Hydraulic Reservoir Breather Cap ...................... Every 500 Hours
Replace Hydraulic Filter Element ...................... Every 1000 Hours
Replace Primary Air Filter ...................... Every 1000 Hours
Replace Secondary Air Filter ...................... Every 1000 Hours
Change Chain Case Oil ...................... Every 1000 Hours
Change Hydraulic Reservoir Fluid ...................... Every 1000 Hours
Change Engine Coolant ...................... Every 2000 Hours

Replacement Parts

Engine Oil Filter. Part Number ...................... 6678233
Engine Fuel Filter. Part Number ...................... 6667352
Primary Engine Air Filter. Part Number ...................... 7286652
Secondary Engine Air Filter. Part Number ...................... 7010031
Hydraulic Oil Reservoir Breather Cap. Part Number ...................... 6727475
Hydraulic Oil Filter. Part Number ...................... 7414582 / 7012314
Hydraulic Charge Filter. Part Number ...................... 6692337

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BOBCAT SKID STEER AND COMPACT TRACK LOADERS

S100