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Case 420 Maintenance
The Case 420 Series 3 skid steer loader driveline system components: a 195 cu.in (3.2L) Case 432T/M3 4-cylinder direct injection turbocharged diesel engine with a rated power of 74 hp (55 kW), and 2-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 23.8 gal/min (90 l/min). The system relief pressure is 3050 psi (210 bar). The Case 420 is equipped with a radial-lift boom, 100HV continuous roller chains, and 12x16.5 standard tires. The skid steer has a max lift height of 120.7" (3060 mm) to hinge pin and dump height of 96.1" (2440 mm). The rated operating capacity is 1850 lbs (840 kg), and tipping load is 3700 lbs (1680 kg).
Refill Capacities |
Engine Oil Capacity, gal (L) .................. 2.25 (8.5)
Engine Coolant Capacity, gal (L) .................. 3.0 (11.4)
Hydraulic Reservoir Capacity, gal (L) .................. 7.1 (27.0)
Hydraulic System Capacity, gal (L) .................. 13.3 (50.2)
Chain Case Oil Capacity, qts (L) .................. 8.0 (7.6)
Fuel Tank Capacity, gal (L) .................. 22.0 (83.3)
Recommended Oil and Fluid |
Engine Oil Type .................. SAE 15W-40. API Service Category CH-4
Engine Coolant Type .................. Extended-Life Coolant/Antifreeze
Hydraulic Fluid Type .................. SAE 10W-30
Chain Case Oil Type .................. SAE 10W-30
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
Check Alternator/Fan Belt Tension .................. Every 100 Hours
Check Drive Chain Tension .................. Every 250 Hours
Clean Primary Air Filter .................. Every 250 Hours
Change Engine Oil .................. Every 250 Hours
Replace Engine Oil Filter .................. Every 250 Hours
Replace Hydraulic Filter Element .................. Every 500 Hours
Replace Fuel Filter Element .................. Every 500 Hours
Replace Primary Air Filter .................. Every 500 Hours
Replace Secondary Air Filter .................. Every 500 Hours
Change Chain Case Oil .................. Every 1000 Hours
Change Hydraulic Fluid .................. Every 1000 Hours
Change Engine Coolant .................. Every 2000 Hours
Replacement Parts |
Engine Oil Filter. Part Number .................. 87679598
Engine Fuel Filter. Part Number .................. 84477348
In-Line Fuel Filter. Part Number .................. 87548612
Primary Engine Air Filter. Part Number .................. 87682993
Secondary Engine Air Filter. Part Number .................. 87682999
Hydraulic Oil Filter. Part Number .................. 87430661, 84475949 (Element)
Alternator Belt. Part Number .................. SBA080109061
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SKID STEER LOADERS SPECIFICATIONS |