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Ford 7840 Tractor Maintenance
The
Ford 7840 is a PowerStar 40-series row-crop tractor. This model was manufactured
between 1991 and 1995. The Ford 7840 tractor is powered by 401 cu.in (6.6 L)
Ford Genesis four stroke six-cylinder liquid-cooled diesel engine with operating
power of 100 hp (73.5 kW) at 2100 rev/min.
The Ford 7840 was fitted with 4 types of transmission. Type 1: 8x2
EconoShift constant mesh transmission. Type 2: 16x4 Dual Power
transmission with a 2-speed powershift. Type 3: 12x12 Synchro Shift
synchronized transmission. Type 4: 16x16 Pulse Command transmission with
a 4-speed powershift.
Max. forward speed - 19.2 mph (30.9 kph), maximum reverse speed - 19.1
mph (30.7 kph). The open center hydraulic system includes a gear pump
with rated capacity of 9.3 gpm (35.2 lpm). The hydraulic pressure is 182
bar (2650 psi). The Ford 7840 was equipped with 10.0x16 front tires and
18.4x30 rear tires. The wheelbase is 106.3" (2700 mm) for 2WD models, or
103.3" (2623 mm) for 4WD models.
| Engine oil capacity, qts (L) |
22.0 (20.8) |
| Engine coolant capacity (w/Cab), qts (L) |
22.8 (21.5) |
| Engine coolant capacity (w/o Cab), qts (L) |
21.2 (20.0) |
| Transmission/Hydraulic capacity (SynchroShift), gal (L) |
15.0 (56.8) |
| Transmission/Hydraulic capacity (ElectroShift), gal (L) |
16.0 (60.5) |
| Front axle oil capacity, qts (L) |
6.6 (6.2) |
| Recommended Oil and Fluid |
| Engine oil type |
SAE 15W-40, 10W-30, SAE 10W-40, 15W-30 |
| Engine coolant type |
Antifreeze/Coolant |
| Transmission/Hydraulic fluid type |
134D, SAE 10W-40 |
| Front axle oil type |
134D, SAE 10W-40 |
| 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 |
| 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 engine coolant filter |
Every 1200 hours |
| Replace cab air filter |
Every 1200 hours |
| Flush cooling system and add new coolant |
Every 1200 hours |
| Engine oil filter part number |
86605897, F2NN6714AB |
| Engine fuel filter part number |
86555246, F0NN9176BA |
| Engine air filter part number (Primary) |
47372276, 82008596, 82008597 |
| Engine air filter part number (Secondary) |
82008601, E9NN9R500AB |
| Hydraulic oil filter part number |
84248043, 47622189, F0NNB486BB/F0NNB486AA |
| Engine coolant filter part number |
E8NN8A424BB |
| Cab air filter part number |
47548101, 82033107 |
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| Farm Tractors Technical Specifications |
