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Ford 7700 Tractor Maintenance

The Ford 7700 row-crop tractor was manufactured between 1975 and 1981. The Ford 7700 is powered by Ford 256 4-cycle four-cylinder liquid-cooled diesel engine with a maximum power of 96.7 Hp (72.1 kilowatt) and 369 Nm (272 lb-ft) of peak torque at 1600 rpm.

The Ford 7700 tractor is equipped with two types of transmission. 1st type: 16x4 Dual-Power transmission. 2nd type: 8x2 Dual-Range gear transmission. The max. forward speed - 18.6 mph (30 km/h), a max. reverse speed - 9 mph (14.5 km/h).

The open center hydraulic system used a gear pump with flow rate of 9.7 gpm (36.9 lpm). The hydraulic system pressure is 172.5 bar (2500 psi). The Ford 7700 is fitted with 7.50x18 front tires and 18.4x34 rear tires. The wheelbase is 101.6 in (2580 mm). The tractor is compatible with two front end loader models. The Ford 774 loader has a lift capacity to full height of 2000 lbs (907 kg). The Ford 772QT loader has a lift capacity to max height of 2500 lbs (1134 kg).

Refill Capacities
Engine oil capacity, qts (L) 9.2 (8.7)
Engine coolant capacity, qts (L) 19.0 (17.9)
Transmission/Hydraulic capacity, gal (L) 15.7 (60.0)
Front axle oil capacity, qts (L) 6.8 (6.4)
Steering system capacity, qts (L) 2.5 (2.4)

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

Service Intervals
Check engine oil level Every 10 hours
Check transmission/hydraulic fluid level Every 10 hours
Check engine air filters Every 10 hours
Check coolant level in radiator Every 10 hours
Check battery and clean terminals Every 50 hours
Check front axle oil 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 filters Every 300 hours
Clean engine fuel filter Every 300 hours
Adjust parking and service brakes Every 300 hours
Replace engine air filters 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 transmission/hydraulic fluid Every 1200 hours
Change front axle oil Every 1200 hours
Replace hydraulic oil filter Every 1200 hours
Replace cab air filter Every 1200 hours
Flush cooling system and add new coolant Every 1200 hours

Replacement Parts
Engine oil filter part number 86546609, E4NN6714BA
Engine fuel filter part number 84535312, EDPN9N074AA
Engine air filter part number (Primary) 81866927, 84493218
Engine air filter part number (Secondary) D9NN9601AA, D1NN9R500A
Hydraulic oil filter part number 83912298, 84518613, D8NNB486EA
Power steering filter part number EDPN3K758A, C7NN3N538B
Cab air filter part number D8NN94000N20CA




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