Bobcat T870 Track Loader Maintenance Data

The Bobcat T870 compact track loader driveline system components: Bobcat D34 diesel engine with a rated power of 100 hp (74.6 kW) or Kubota V3800 diesel engine with a rated power of 99.5 hp (74 kW), and two-speed hydro transmission. The hydraulic system has a pump with a rated flow of 23 gpm (87.1 lpm). The system pressure is 3550 psi (245 bar). The Bobcat T870 is equipped with a vertical-lift loader boom, 5-link torsion suspension with 5 rollers, and rubber tracks. The loader has a maximum lift height of 144" (3655 mm) to hinge pin and dump height of 112.3" (2855 mm). The rated operating capacity is 3650 lbs (1656 kg), and tipping load is 10430 lbs (4730 kg).

Refill Capacities

Engine Oil Capacity (Kubota V3800), gal (L) ...................... 3.0 (11.4)
Engine Oil Capacity (Doosan D34), gal (L) ...................... 3.3 (12.6)
Engine Coolant Capacity (Kubota V3800), gal (L) ...................... 4.9 (18.5)
Engine Coolant Capacity (Doosan D34), gal (L) ...................... 3.8 (14.4)
Hydraulic Reservoir Fluid Capacity, gal (L) ...................... 2.5 (9.5)
Hydraulic System Fluid Capacity, gal (L) ...................... 12.0 (45.4)
Drive Motor Oil Capacity, qts (L) ...................... 0.55 (0.52)

Recommended Oil and Fluid

Engine Oil Type ...................... SAE 10W-30, 15W-40, 5W-40. API Service Category CH-4 or higher
Engine Coolant Type ...................... Bobcat PG Coolant or Bobcat EG Coolant
Hydraulic Fluid Type ...................... Bobcat All-Season Hydraulic Fluid, Synthetic Fluid
Drive Motor Oil Type ...................... Bobcat Synthetic Drive Motor Oil

Service Intervals

Lubricate Cylinder Pivot Points ...................... Every 50 Hours
Check Hydraulic Fluid Level ...................... Every 50 Hours
Check Tracks Tension ...................... Every 50 Hours
Check Track Sprocket Bolts Torque ...................... Every 50 Hours
Check Battery Connections ...................... Every 100 Hours
Check Alternator Belt Tension ...................... Every 250 Hours
Check Drive Belt ...................... Every 250 Hours
Change Engine Oil ...................... Every 500 Hours
Replace Engine Oil Filter ...................... Every 500 Hours
Replace Fuel Filter Element ...................... Every 500 Hours
Clean Cab Air Filters ...................... Every 500 Hours
Replace Hydraulic Reservoir Breather Cap ...................... Every 500 Hours
Hydraulic Charge Filter ...................... Every 500 Hours
Change Final Drive Oil ...................... Every 500 Hours
Replace Primary Air Filter ...................... Every 1000 Hours
Replace Secondary Air Filter ...................... Every 1000 Hours
Replace Hydraulic Filter Element ...................... Every 1000 Hours
Replace Cab Air Filters ...................... Every 1000 Hours
Change Hydraulic Reservoir Fluid ...................... Every 1000 Hours
Change Engine Coolant ...................... Every 1500 Hours

Replacement Parts

Engine Oil Filter. Part Number ...................... 7012303, 6678233
Engine Fuel Filter. Part Number ...................... 7023589, 6667352
Primary Engine Air Filter. Part Number ...................... 7286652
Secondary Engine Air Filter. Part Number ...................... 7010031
Hydraulic Oil Filter. Part Number ...................... 7012314, 7248874
Hydraulic Charge Filter. Part Number ...................... 6686926, 6692337
Hydraulic Reservoir Breather Cap. Part Number ...................... 6727475
Cab Air Filter. Part Number ...................... 7176099, 7193354
Alternator Belt. Part Number ...................... 7174706, 7201422
Drive Belt. Part Number ...................... 7177671, 7201345

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BOBCAT SKID STEER AND COMPACT TRACK LOADERS

S100