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Oliver 70

Oliver 70 tractor
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The Oliver 70 is a row-crop tractor produced from 1935 to 1948 by Oliver in Charles City, Iowa, USA. It features a 3.3L 6-cylinder liquid-cooled engine available in gasoline and distillate versions. The tractor offers 4-speed and 6-speed gear transmissions, with the six-speed introduced in 1937 on the streamlined model. It has a drawbar power of about 22.7 hp claimed and tested drawbar power up to 28.63 hp. The tractor is two-wheel drive with manual steering and mechanical drum brakes. Dimensions include a 90.5 inch wheelbase, 141.5 inch length, and operating weight around 4400 lbs. Variants include Row-Crop, Standard, and Orchard models.
Oliver 70tractorspecificationsenginetransmissiondimensionspowerrow-crop tractor
Power33 hp[P]
Founded1935 - 1948
Model70

Technical Specifications

Detailed specifications and technical data for Oliver 70

Power

Belt (tested):31.52 hp (23.5 kW)
PTO (claimed):30.37 hp (22.6 kW)
Drawbar (tested):28.63 hp (21.3 kW)
Drawbar (claimed):22.7 hp (16.9 kW)

Tires

Rear tire:11-38
Front tire:5.50-16

Engine

Options:Oliver 3.3L 6-cyl gasoline, Oliver 3.3L 6-cyl distillate
Aux. fuel:1 gal (3.8 L)
Fuel tank:15 gal (56.8 L)
Rated RPM:1500
Air cleaner:oil bath
Bore/Stroke:3.125x4.375 inches (79 x 111 mm)
Displacement:201.3 ci (3.3 L)
Firing order:1-5-3-6-2-4
Oil capacity:5 qts (4.7 L)
Type gasoline:Oliver gasoline 6-cylinder liquid-cooled
Type distillate:Oliver distillate 6-cylinder liquid-cooled
Coolant capacity:4.5 qts (4.3 L)
Rated RPM distillate:1500
Bore/Stroke distillate:3.125x4.375 inches (79 x 111 mm)
Intake valve clearance:0.012 inches (0.305 mm)
Displacement distillate:201.3 ci (3.3 L)
Exhaust valve clearance:0.012 inches (0.305 mm)

Variants

70 Orchard:low-profile
70 Row-Crop:tricycle chassis
70 Standard:standard chassis

Dimensions

Width:80.5 inches (204 cm)
Length:141.5 inches (359 cm)
Wheelbase:90.5 inches (229 cm)
Rear tread:60 to 72 inches (152 to 182 cm), 60 to 80 inches (152 to 203 cm) Optional, 72 to 90 inches (182 to 228 cm) Optional
Height (hood):58 inches (147 cm)
Shipping weight:3000 lbs (1360 kg)
Operating weight:4400 lbs (1995 kg)
Height (steering wheel):70 inches (177 cm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical drum brakes
Steering:Manual steering
Final drives:bull gear
Operator station:Open operator station

Production

Type:Row-Crop tractor
Built in:Charles City, Iowa, USA
Years produced:1935 - 1948

Belt Pulley

RPM:774
Width:6.5 inches (16 cm)
Diameter:12.75 inches (32 cm)

Transmission

Notes: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.
Clutch:229mm dry disc
Options:4-speed gear, 6-speed gear
Oil capacity:26 qts (24.6 L)
Type 4-speed:gear
Type 6-speed:gear
Gears 4-speed:4 forward and 1 reverse
Gears 6-speed:6 forward and 1 reverse

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
Location:Serial number plate on the left side of the engine, behind the air cleaner.

Related Models

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Model:77