Below are the specifications for the Ford 1920 Tractor. You can find the manual here.
Engine
- Type
- Diesel
- Number of cylinders
- 4
- Bore
- 3.31 in (8.4 cm)
- Stroke
- 3.54 in (9.0 cm)
- Displacement
- 121.75 cu in (1995 cc)
- Compression ratio
- 19 : 1
- Firing order
- 1-3-4-2
- Idle speed
- Low idle 900 – 1000 rpm
- Maximum speed
- High idle 2650 – 2700 rpm | Rated 2500 rpm
- Valve clearance (cold)
- Intake 0.008 in / 0.2 mm | Exhaust 0.008 in / 0.2 mm
Capacities
| Component | U.S. | Imperial | Metric |
|---|---|---|---|
| Fuel tank | 10.3 gal | 8.6 gal | 39.0 L |
| Cooling system | 5.9 qt | 4.9 qt | 5.6 L |
| Engine crankcase (less filter) | 5.8 qt | 4.8 qt | 5.5 L |
| Engine crankcase (with filter) | 6.3 qt | 5.3 qt | 6.0 L |
| Rear axle + transmission (incl. hydraulics) |
30.6 qt | 25.5 qt | 29 L |
| Power steering | 1.9 qt | 1.6 qt | 1.8 L |
| Front axle diff./final reduction | 5.3 qt | 4.4 qt | 5.0 L |
Cooling System
- Type
- Pressurized liquid with recirculating bypass
- Water pump
- Centrifugal, V-belt-driven
- Water-pump belt deflection
- 7⁄16 – 9⁄16 in (10 – 15 mm) with 20–25 lb (9 – 11 kg) thumb force
- Fan diameter
- 13.4 in (34 cm)
- Thermostat
- Opens @ 160 °F (71 °C); fully open @ 185 °F (85 °C)
- Radiator cap pressure
- 12.8 psi (0.88 bar)
Electrical System
- Alternator
- 12 V, heavy-duty, 35 A
- Regulator
- IC regulator (built-in)
- Battery
- 12 V, 100 Ah, negative ground
- Starting motor
- Solenoid, pre-engaged reduction
Fuel System
- Recommended fuel
- Above 20 °F (−6.7 °C): No. 2-D, Cetane ≥ 40
Below 20 °F (−6.7 °C): No. 1-D, Cetane ≥ 40 - Injection pump
- In-line, timing 18.5° BTDC
Clutch
- Type
- 9.45 in (24 cm) dry disc, organic face
- Pedal free travel
- ¾ – 1 3⁄16 in (19 – 30 mm)
Brakes
Wet-disc type, 3-disc pack — 6.9 in × 5.6 in (17.5 cm × 14.3 cm)
Steering
- Type
- Hydrostatic
- Turns lock-to-lock
- ≈ 3.8
- Front wheel toe-in
- 0 – 13⁄64 in (0 – 5 mm)
- Turning radius (w/out brake)
- 2WD 9.15 ft (279 cm) | 4WD 9.68 ft (295 cm)
Power Take-Off (PTO)
- Type
- Live shaft, 1-⅜ in 6-spline SAE STD
- Engine speed for 540 rpm PTO
- 2238 rpm
- Observed PTO HP
- 28.5 HP
Hydraulic Lift System
- Type
- Live, Category 1 three-point linkage
- Pump type
- Gear
- Pump capacity
- 7.8 U.S. gpm (6.5 Imp. gpm) @ 2133 psi / 2500 rpm
29.6 L min-1 @ 147 bar / 2500 rpm - System relief valve
- 2133 psi (147 bar)
Tires
| Position / Application | Two-Wheel Drive | Four-Wheel Drive | ||
|---|---|---|---|---|
| Size | PR | Size | PR | |||
| Front — Standard (AG) | 5.50-16, F2, 4PR | 7-16, R1, 4PR | ||
| Front — Optional (AG) | 7.50-15, F2, 4PR | 8-16, R1, 4PR | ||
| Front — Optional (Turf) | 25×8.50-14, R3, 4PR | 27×8.50-15, R3, 4PR | ||
| Rear — Standard (AG) | 13.6-24, R1, 4PR (2WD & 4WD) | |||
| Rear — Optional (AG) | 14.9-24, R1, 4PR (2WD & 4WD) | |||
| Rear — Optional (Turf) | 18.4-16.1, R3, 4PR (2WD & 4WD) | |||
Wheel-Bolt Torques
| Location | 2WD | 4WD |
|---|---|---|
| Front wheel disc-to-hub | 48 – 61 lb·ft (66 – 83 N·m) | 137 – 159 lb·ft (186 – 215 N·m) |
| Rear wheel disc-to-rim | 137 – 159 lb·ft (186 – 215 N·m) | |
| Rear wheel disc-to-axle | 137 – 159 lb·ft (186 – 215 N·m) | |
ROPS Attaching Bolt Torques
- ROPS-to-fender mount (M12): 55 lb·ft (74 N·m)
- Seat-belt bolt (M10): 37 lb·ft (50 N·m)
Cast-Iron Weights
- (5) Front-end weights: 33 lb (15 kg) each
- (2) Front-wheel weights (2WD only): 66 lb (30 kg) per wheel
- (4) Rear-wheel weights: 66 lb (30 kg) each
Draw-bar: Swinging — standard
Lubricants
Should the recommended engine oil not be available, use the commercial oils listed on page 37.
Important: reduce oil-change intervals if diesel-fuel sulphur exceeds 0.5 %.
| Tractor Component | Lubricant Recommendation | Ford Part No. |
|---|---|---|
| Engine oil | Ford Super Premium | 1QM-2C 121-AMV (15W-40) 1QM-2C 121-A10 (SAE 10W) 1QM-2C 121-A30 (SAE 30W) |
| Transmission, rear axle, power-steering & hydraulic system | Ford 134 | 1GM-134C (1 gal) · 5GM-134C (5 gal) |
| Front-wheel bearings & lube fittings | M1C-137-B | 1TM-1C 137-B (1 tube) |
| Front axle | Ford 134 | 1GM-134C (1 gal) · EOAZ-19580-E (5 gal) |
General Dimensions
| Measurement | Two-Wheel Drive | Four-Wheel Drive |
|---|---|---|
| Length | 126.4 in (321 cm) | |
| Wheelbase | 69.9 in (177.5 cm) | |
| Height — Top of steering wheel | 58.9 in (149.5 cm) | |
| Height — Top of ROPS | 90 in (228.5 cm) | |
| Height — Top of vertical exhaust | 83.1 in (211 cm) | 82.9 in (210.5 cm) |
| Width | 63.1 in (160 cm) | |
| Minimum ground clearance | 12.6 in (32 cm) | |
| Adjustable wheel tread — Front | 43.1 – 57.0 in (109.5 – 145 cm) | 45.5 in (115.5 cm) |
| Adjustable wheel tread — Rear | 45.7 – 61.0 in (116 – 155 cm) | |
| Weight (with ROPS, less options) | 2849 lb (1290 kg) | 3069 lb (1395 kg) |