Production
| Description | Utility tractor / Built in Highland Park, Michigan, USA / Original price was $1,404 in 1952 |
|---|---|
| Manufacturer | Ford |
| Total built | 524,000 |
Engine
| Description | Image courtesy of Javier Cardozo |
|---|---|
| Bore/Stroke | 3.188x3.75 inches (81 x 95 mm) / 3.188x3.75 inches (81 x 95 mm) |
| Compression | 6:1 / 4.75:1 |
| Coolant capacity | 12 qts (11.4 L) / 12 qts (11.4 L) |
| Description | Ford / gasoline / 4-cylinder 8-valve / liquid-cooled / Ford / distillate / 4-cylinder / liquid-cooled / The distillate engine was used on the 8NAN variant. |
| Displacement | 119.7 ci (2.0 L) / 119.7 ci (2.0 L) |
| Exhaust valve clearance | 0.015 inches*Cold (0.381 mm) |
| Firing order | 1-2-4-3 / 1-2-4-3 |
| Intake valve clearance | 0.011 inches*Cold (0.279 mm) |
| Point gap | 0.015 inches (front-mount) (0.381 mm) |
| Rated RPM | 2000 / 2000 |
| Sparkplug gap | 0.025 inches (0.635 mm) |
| Starter volts | 6 / 6 |
| Torque | 92 lb-ft (124.8 Nm) |
| Torque RPM | 1500 |
| Oil capacity | 6 qts (5.7 L) / 6 qts (5.7 L) |
| Engine type | Ford 2.0L 4-cyl gasoline / Ford 2.0L 4-cyl distillate |
| Engine type | Ford 2.0L 4-cyl gasoline / Ford 2.0L 4-cyl distillate |
| Belt (tested) | 25.77 hp (19.2 kW) |
| Drawbar (claimed) | 23.16 hp (17.3 kW) |
| Drawbar (tested) | 21.95 hp (16.4 kW) |
| PTO (claimed) | 27.32 hp (20.4 kW) |
| PTO (tested) | 23.24 hp (17.3 kW) |
Transmission
| 32oF [0oC]↑ | : Ford M4864A |
|---|---|
| 32oF [0oC]↓ | : Ford M4864B |
| Description | Tractor must be stopped and clutch used to shift between gears. / The Sherman Step-Up and Step-Down Combination transmission provided two additional ranges, one higher and one lower, through the use of an auxiliary gearbox. The Step-Down was geared down by 1.513 to 1. The Step-Up was geared up by 1 to 1.495. |
| Gears | 4 forward and 1 reverse / 12 forward and 3 reverse |
| Oil capacity | 20 qts (18.9 L) |
| Oil type | 32oF [0oC]↑ : Ford M4864A 32oF [0oC]↓ : Ford M4864B ([0oC][0oC]) |
| Transmission | constant mesh / Sherman Combination Transmission |
| Transmission type | 4-speed / 12-speed |
| Transmission type | 4-speed / 12-speed |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual drum brakes |
| Drive type | Two-wheel drive |
| Steering | mechanical |
Capacity
| Fuel | 10 gal (37.9 L) |
|---|---|
| Hydraulic system | 5 gal (18.9 L) |
Hydraulics
| Capacity | 5 gal (18.9 L) |
|---|---|
| Pressure | 1700 psi (117.2 bar) |
| Pump flow | 2.85 gpm (10.8 lpm) |
Hitch
| Rear lift | 800 lbs (362 kg) |
|---|---|
| Rear Type | I |
PTO
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 545 (1.125) |
Electrical
| Battery AH | 80 |
|---|---|
| Battery volts | 6 |
| Charging amps | 20 |
| Charging system | generator |
| Ground | positive |
Dimensions & Tires
| Clearance (front axle) | 21 inches (53 cm) |
|---|---|
| Front tread | 48/52/56/60/64/68/72/76 inches (121/132/142/152/162/172/182/193 cm) |
| Ground clearance | 13 inches (33 cm) |
| Height | 54.5 inches (138 cm) |
| Length | 115 inches (292 cm) |
| Rear tread | 48/52/56/60/64/68/72/76 inches (121/132/142/152/162/172/182/193 cm) |
| Wheelbase | 70 inches (177 cm) |
| Width | 64.75 inches (164 cm) |
| Front tire | 4.00-19 |
| Rear tire | 10-28 |
| Weight | 2410 to 2717 pounds |
| Wheelbase | 70 inches (177 cm) |
| Ag front | 4.00-19 |
| Ag rear | 10-28 |
8N Serial Number Location
| Description | On the engine block, left-hand side, just behind oil filter. A star indicates steel sleeves, a diamond indicates cast-iron sleeves. |
|---|
8N Serial Numbers
| 1947 | 1 |
|---|---|
| 1948 | 37908 |
| 1949 | 141370 |
| 1950 | 245637 |
| 1951 | 343198 |
| 1952 | 442035 |
| Description | FAQ: How to read a serial number table. |
| Final | 524076 |
Ford 8N Weight
| Ballasted | 4,043 lbs (1833 kg) |
|---|---|
| Operating | 2,717 lbs (1232 kg) |
| Shipping | 2,410 lbs (1093 kg) |
Links
| Description | 8N Tractors: Parts, manuals, and information for the 8N / N Tractor Club: / 8N Manual: online at NewOldManuals.com |
|---|
Nebraska Tractor Test 385
| Belt fuel use (max) | 2.7 gal/hour (10.2 l/hour) |
|---|---|
| Belt power (max) | 21.06 hp (15.7 kW) |
| Description | Gasoline 4-speed 2WDSeptember 8 - 19, 1947Link: Nebraska Tractor Test 385 file / PTO performance / Drawbar performance |
| Fuel use | 2.5 gal/hour (9.5 l/hour) |
| Max power | 20.8 hp (15.5 kW) |
| Max pull | 2,810 lbs (1274 kg) |
| Power at rated engine speed | 18.35 hp (13.7 kW) |
Nebraska Tractor Test 393
| Belt fuel use (max) | 2.4 gal/hour (9.1 l/hour) |
|---|---|
| Belt power (max) | 25.77 hp (19.2 kW) |
| Description | Gasoline 4-speed 2WDMay 11 - 18, 1948Link: Nebraska Tractor Test 393 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 21.72 hp (16.2 kW) |
| Max pull | 2,751 lbs (1247 kg) |
Nebraska Tractor Test 443
| Belt fuel use (max) | 2.3 gal/hour (8.7 l/hour) |
|---|---|
| Belt power (max) | 25.49 hp (19.0 kW) |
| Description | Gasoline 4-speed 2WDJune 16 - 27, 1950Link: Nebraska Tractor Test 443 file / PTO performance / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Fuel use | 2.1 gal/hour (7.9 l/hour) |
| Max power | 21.95 hp (16.4 kW) |
| Max pull | 2,810 lbs (1274 kg) |
| Power at rated engine speed | 23.24 hp (17.3 kW) |
Nebraska Tractor Test 444
| Belt fuel use (max) | 2.4 gal/hour (9.1 l/hour) |
|---|---|
| Belt power (max) | 21.87 hp (16.3 kW) |
| Description | Distillate (8NAN) 4-speed 2WDJune 22 - 29, 1950Link: Nebraska Tractor Test 444 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 18.79 hp (14.0 kW) |
| Max pull | 2,355 lbs (1068 kg) |
References
| Description | The Great New Ford Tractor published in 1947 / Ford Tractor published in 1950 / Operator's Manual Model 8N (3729-52-C) published in 1952 |
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Tractor Tests
| Description | NTTL 385: gasoline 4-speed 2WD / NTTL 393: gasoline 4-speed 2WD / NTTL 443: gasoline 4-speed 2WD / NTTL 444: distillate (8NAN) 4-speed 2WD |
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Variants
| 8NAN | distillate engine |
|---|