Overview
The Oliver 70 is a farm tractor manufactured in Charles City, Iowa, between 1935 and 1948, available in Row-Crop, Orchard, and Standard chassis variants. It features a 3.3L six-cylinder engine compatible with gasoline or distillate fuel and was equipped with either a four-speed or six-speed gear transmission. Official testing recorded belt power up to 31.52 hp and a maximum drawbar pull of 4,170 lbs.
Ideal Applications
Nebraska Test Performance:
According to Nebraska Tractor Test 351, the 6-speed gasoline model reached a maximum pull of 4,170 lbs and a tested belt power of 31.52 hp.
Transmission and Gear Layout:
The tractor features a 4-speed or 6-speed gear transmission where the top two gears are locked out for safety when the unit is equipped with steel wheels.
Chassis and Tire Dimensions:
The 229-cm wheelbase tractor operates at a weight of 4,400 lbs and offers an adjustable rear tread ranging from 60 to 90 inches depending on the configuration.
Production
| Description | Row-Crop tractor / Built in Charles City, Iowa, USA |
|---|---|
| Manufacturer | Oliver |
Engine
| Air cleaner | oil bath |
|---|---|
| Bore/Stroke | 3.125x4.375 inches (79 x 111 mm) / 3.125x4.375 inches (79 x 111 mm) |
| Coolant capacity | 4.5 qts (4.3 L) |
| Description | Oliver / gasoline / 6-cylinder / liquid-cooled / Oliver / distillate / 6-cylinder / liquid-cooled |
| Displacement | 201.3 ci (3.3 L) / 201.3 ci (3.3 L) |
| Exhaust valve clearance | 0.012 inches (0.305 mm) |
| Firing order | 1-5-3-6-2-4 |
| Intake valve clearance | 0.012 inches (0.305 mm) |
| Oil capacity | 5 qts (4.7 L) |
| Rated RPM | 1500 / 1500 |
| Engine type | Oliver 3.3L 6-cyl gasoline / Oliver 3.3L 6-cyl distillate |
| Aux. fuel | 1 gal (3.8 L) |
| Engine type | Oliver 3.3L 6-cyl gasoline / Oliver 3.3L 6-cyl distillate |
| Fuel tank | 15 gal (56.8 L) |
| Belt (tested) | 31.52 hp (23.5 kW) |
| Drawbar (claimed) | 22.7 hp (16.9 kW) |
| Drawbar (tested) | 28.63 hp (21.3 kW) |
| PTO (claimed) | 30.37 hp (22.6 kW) |
Transmission
| Clutch | 229mm dry disc |
|---|---|
| Description | The six-speed transmission was introduced on the "streamlined" model 70 in 1937. The top two gears were locked out if the tractor was equipped with steel wheels. |
| Gears | 4 forward and 1 reverse / 6 forward and 1 reverse |
| Oil capacity | 26 qts (24.6 L) |
| Type | gear / gear |
| Transmission type | 4-speed gear / 6-speed gear |
| Transmission type | 4-speed gear / 6-speed gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering / Mechanical drum brakes |
| Drive type | Two-wheel drive |
| Final drives | bull gear |
Dimensions & Tires
| Height (hood) | 58 inches (147 cm) |
|---|---|
| Height (steering wheel) | 70 inches (177 cm) |
| Length | 141.5 inches (359 cm) |
| Operating weight | 4400 lbs (1995 kg) |
| Rear tread | 60 to 72 inches (152 to 182 cm) / 60 to 80 inches OptOptional (152 to 203 cm) / 72 to 90 inches OptOptional (182 to 228 cm) |
| Shipping weight | 3000 lbs (1360 kg) |
| Wheelbase | 90.5 inches (229 cm) |
| Width | 80.5 inches (204 cm) |
| Front tire | 5.50-16 |
| Rear tire | 11-38 |
| Weight | 3000 to 4400 pounds |
| Wheelbase | 90.5 inches (229 cm) |
| Ag front | 5.50-16 |
| Ag rear | 11-38 |
70 Serial Numbers
| 1935 | 20001 |
|---|---|
| 1936 | 200686 |
| 1937 | 208729 |
| 1938 | 219645 |
| 1939 | 223255 |
| 1940 | 231116 |
| 1941 | 236356 |
| 1942 | 241391 |
| 1943 | 243640 |
| 1944 | 244711 |
| 1945 | 250180 |
| 1946 | 252780 |
| 1947 | 258140 |
| 1948 | 262840 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the left side of the engine, behind the air cleaner. |
Belt Pulley
| Diameter | 12.75 inches (32 cm) |
|---|---|
| RPM | 774 |
| Width | 6.5 inches (16 cm) |
Nebraska Tractor Test 252
| Belt fuel use (max) | 2.7 gal/hour (10.2 l/hour) |
|---|---|
| Belt power (max) | 28.40 hp (21.2 kW) |
| Description | Gasoline 4-speed 2WDApril 13 - 24, 1936Link: Nebraska Tractor Test 252 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 21.93 hp (16.4 kW) |
| Max pull | 3,120 lbs (1415 kg) |
Nebraska Tractor Test 267
| Belt fuel use (max) | 3.3 gal/hour (12.5 l/hour) |
|---|---|
| Belt power (max) | 27.15 hp (20.2 kW) |
| Description | Distillate 4-speed 2WDApril 20 - 31, 1936Link: Nebraska Tractor Test 267 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 20.48 hp (15.3 kW) |
| Max pull | 2,523 lbs (1144 kg) |
Nebraska Tractor Test 351
| Belt fuel use (max) | 3.0 gal/hour (11.4 l/hour) |
|---|---|
| Belt power (max) | 31.52 hp (23.5 kW) |
| Description | Gasoline 6-speed 2WDAugust 23 - 29, 1940Link: Nebraska Tractor Test 351 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 28.63 hp (21.3 kW) |
| Max pull | 4170 lbs (1891 kg) |
References
| Description | Out of tomorrow: the row-crop 70 published in 1935, by Oliver / 70 Row Crop published in 1937, by Oliver / The Sturdy 70 Row Crop published in 1941, by Oliver |
|---|
Tractor Tests
| Description | NTTL 252: gasoline 4-speed 2WD / NTTL 267: distillate 4-speed 2WD / NTTL 351: gasoline 6-speed 2WD |
|---|
Variants
| 70 Orchard | low-profile |
|---|---|
| 70 Row-Crop | tricycle chassis |
| 70 Standard | standard chassis |