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Ford 6600 Tractor Maintenance

The Ford 6600 is a 2WD or 4WD utility tractor. This model was manufactured from 1975 to 1981. The Ford 6600 tractor is powered by 256 cu.in (4.2 L) Ford four stroke 4-cylinder liquid-cooled diesel engine.

The engine has a cylinder bore of 4.4" (112 mm), piston stroke of 4.2" (107 mm), and rated power of 75.5 hp (56.3 kW). The Ford 6600 is fitted with two types of transmission. 1st type: 8x2 gear transmission. 2nd type: 16x4 Dual Power two-speed powershift transmission.

The maximum travel speed (forward and reverse): 17.4 mph (28 km/h) / 8.4 mph (13.5 km/h). The open center hydraulic system used a gear pump with a flow of 9.7 gpm (36.8 lpm). The hydraulic pressure is 145 bar (2100 psi). The tractor was equipped with a power steering system, differential mechanical wet disc brakes, 7.50x16 front tires, and 16.9x30 rear tires. The wheelbase is 88 in (2230 mm).

The Ford 6600 is compatible with the following attachments: Ford 772 loader with lift capacity to full height of 2460 lbs (1115 kg), Ford 774 loader with lift capacity to max height of 2000 lbs (907 kg), and Ford 772QT loader with 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) 13.0 (12.3)
Transmission/Hydraulic capacity, gal (L) 15.0 (57.0)
Front axle oil capacity, qts (L) 5.5 (5.2)
Steering system capacity, qts (L) 2.3 (2.2)

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 LS 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 86546614, E8NN6714AA
Engine fuel filter part number 84535312, EDPN9N074AA
Engine air filter part number (Primary) 84493216, E9NN9B618AA
Engine air filter part number (Secondary) 86525008, D6NN9601B
Hydraulic oil filter part number 83912298, 84518613, D8NNB486EA
Steering oil filter part number EDPN3K758A, C7NN3N538B
Cab air filter part number D8NN94000N20CA




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