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The Ford 9N Tractor, produced between 1939 and 1942, is a cornerstone in the history of agricultural machinery, renowned for revolutionizing farm operations with its innovative design. It was the first tractor to feature the now-iconic three-point hitch system, developed in collaboration with Harry Ferguson, which set a new standard for implement control and versatility.
Dimensions
| Length | 115 in (2920 mm) |
| Width | 64 in (1620 mm) |
| Height | 52 in (1320 mm) |
| Wheelbase | 70 in (1770 mm) |
| Ground Clearance | 13 in (330 mm) |
| Ground Clearance (Front Axle) | 21 in (530 mm) |
| Front Tread | 48-76 in (1210-1930 mm) |
| Rear Tread | 48-76 in (1210-1930 mm) |
Weight
| Operating Weight | 2900 lb (1315 kg) |
| Ballasted Weight | 3375 lb (1530 kg) |
| Shipping Weight | 2260 lb (1025 kg) |
Engine Details
| Ford 9N Engines | Ford 2L Gasoline | Ford 2L Distillate |
|---|---|---|
| Number Of Cylinders | 4 | 4 |
| Displacement | 119.7 cu in (2.0 L) | 119.7 cu in (2.0 L) |
| Bore | 3.19 in (81 mm) | 3.19 in (81 mm) |
| Stroke | 3.75 in (95 mm) | 3.75 in (95 mm) |
| Compression | 6.0 : 1 | 4.75 : 1 |
| Drawbar Horsepower (claimed) | 16.90 hp (12.6 kw) | 15.20 hp (11.3 kw) |
| Drawbar Horsepower (tested) | 16.31 hp (12.2 kw) | 14.68 hp (10.9 kw) |
| Drawbar Power Measured @ | 1400 rpm | 1400 rpm |
| Belt Horsepower (claimed) | 23.87 hp (17.8 kw) | 21.48 hp (16.0 kw) |
| Belt Horsepower (tested) | 23.56 hp (17.6 kw) | 21.20 hp (15.8 kw) |
| Belt Power Measured @ | 2000 rpm | 2000 rpm |
| Peak Torque | 84.0 lb ft (113.9 Nm) | 75.6 lb ft (102.5 Nm) |
| Torque Measured @ | 1500 rpm | 1500 rpm |
| Cooling | Water pump | Water pump |
| Fan | 6-blade fan with 16″ belt | 6-blade fan with 16″ belt |
| Air Cleaner | Oil-washed crimped wire filter | Oil-washed crimped wire filter |
| Aspiration | Naturally aspirated | Naturally aspirated |
| Carburetor Model | Marvel-Sohebler TSX-33 | Marvel-Sohebler TSX-33 |
| Carburetor Size | 7/8″ (22.23 mm) | 7/8″ (22.23 mm) |
Operating Specs
| Max Pull | 2236 lb (1014 kg) |
| Operating Voltage | 6 V |
| Alternator | 16 amps, 6 V, 3 Brush |
| Battery | 6 V, 83 Ah |
| Starter | 6 V automobile starter with safety switch integrated with gearshift |
| Front Tire Size (Ag) | 4.00-19 |
| Rear Tire Size (Ag) | 8.00-32 |
Transmission
| Type | Selective sliding-gear type transmission |
| Number of Gears | 3F x 1R |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 1 |
| Max Forward Speed | 11.8 mph (18.9 km/h) |
| Max Reverse Speed | 4.4 mph (7.0 km/h) |
Mechanical
| Drive Type | 2WD |
| Steering Type | Mechanical |
| Service Brakes | Differential mechanical shoe brakes |
| Operator Station | Open Operator Station |
Power Take-off (PTO)
| Rear PTO Type | Transmission |
| PTO / Engine RPM | 509@1400 |
| PTO Ratio | 2.75 to 1 |
| PTO Shaft | 1,125 in (28.57 mm) splined end |
Hydraulic System
| Pump Type | Scotch Yoke piston pump |
| Pump Flow Capacity | 3.4 gal/min (12.8 L/min) |
| Maximum System Pressure | 1700 psi (11700 kPa) |
| 3-Point Hitch Category | Cat I |
| 3-Point Hitch Lift Capacity @ 24″ | 800 lb (362 kg) |
Service Refill Capacities
| Fuel Tank Capacity | 10 gal (37.9 L) |
| Cooling System Capacity | 3 gal (11.4 L) |
| Engine Oil Capacity | 1.5 gal (5.7 L) |
| Hydraulic System Capacity | 5 gal (18.9 L) |
| Transmission Oil Capacity | 5 gal (18.9 L) |
Ford 9N Serial Numbers
| 1939 | 1 |
| 1940 | 10234 |
| 1941 | 45976 |
| 1942 | 89888 |
Powered by a reliable 2.0L, four-cylinder gasoline engine, the 9N was designed to be both efficient and user-friendly, making mechanized farming accessible to smaller operations. Its affordability, simplicity, and groundbreaking technology established the Ford 9N as a symbol of progress in early 20th-century agriculture.
