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Home / Farm Tractors / Ford Tractors / Ford 4000SU

Ford 4000SU Tractor Maintenance

The Ford 4000SU is a two-wheel drive special utility tractor. This model was manufactured between 1970 and 1976. The Ford 4000 SU tractor is equipped with a Ford 3-cylinder water cooled diesel engine with a rated power of 57 hp (42.5 kW), or vertical 3-cylinder gasoline engine with a rated power of 56 hp (41.5 kW).

The Dual-Range transmission consists of a dry clutch and gearbox with 8 forward and 2 reverse gears. Max. travel speed (forward/reverse): 15 mph (24.1 km/h) and 7.2 mph (11.6 km/h). The open center hydraulic system used a gear pump with a flow rate of 5.4 gal/min (20.8 l/min).

The hydraulic pressure is 173 bar (2500 psi). The Ford 4000SU was equipped with a power steering system, wet dics brakes, 7.50x15 or 7.50x16 front tires, and 14.9x28 or 16.9x24 rear tires. The wheel base is 77.3 inches (1960 mm).

Refill Capacities
Engine oil capacity, qts (L) 8.0 (7.5)
Engine coolant capacity, qts (L) 14.0 (13.2)
Transmission system capacity, gal (L) 4.2 (16.0)
Hydraulic system capacity, gal (L) 8.0 (30.5)
Front axle oil capacity, qts (L) 1.5 (1.4)
Steering system capacity, qts (L) 2.0 (1.9)

Recommended Oil and Fluid
Engine oil type SAE 15W-40, 10W-30, SAE 10W
Engine coolant type Antifreeze/Coolant
Transmission fluid type 134D, SAE 10W-30
Hydraulic fluid type 134D, SAE 10W-30
Front axle oil type 134D, Gearlube 80W-90
Steering oil type 134D, Gearlube LS 80W-90

Service Intervals
Check engine oil level Every 10 hours
Check transmission fluid level Every 10 hours
Check engine air filter Every 10 hours
Check coolant level in radiator Every 10 hours
Check battery and clean terminals Every 50 hours
Check hydraulic fluid level Every 50 hours
Inspect and adjust alternator belt Every 100 hours
Lubricate axle hub bearings Every 100 hours
Change engine oil Every 300 hours
Replace engine oil filter Every 300 hours
Clean engine air filter Every 300 hours
Clean engine fuel filter Every 300 hours
Adjust parking and service brakes Every 300 hours
Replace engine air filter Every 600 hours
Replace power steering filter Every 600 hours
Change steering oil Every 600 hours
Check and adjust engine idling Every 600 hours
Check and adjust valve clearance Every 600 hours
Replace engine fuel filter Every 1200 hours
Change hydraulic fluid Every 1200 hours
Change transmission fluid Every 1200 hours
Change front axle oil Every 1200 hours
Replace hydraulic oil filter Every 1200 hours
Flush cooling system and add new coolant Every 1200 hours

Replacement Parts
Engine oil filter part number (Cartridge) 86546608, CFPN6731B
Engine oil filter part number (Spin-On) 86546614, E8NN6714AA
Engine fuel filter part number 86546599, EDPN9N074AA (Diesel)
Engine air filter part number E6NNR500DA, E6NN9B618AA
Hydraulic oil filter part number 84277192, C5NNN832B
Steering oil filter part number C7NN3N538A, EDPN3K758A

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