Oliver 1850

The Oliver 1850 is a notable tractor model that holds a prominent place in the world of agricultural machinery. Produced between 1964 and 1969 as part of the 50 Series, it is renowned for its versatility and performance in the field. With its distinctive design and robust build, the Oliver 1850 is a reliable workhorse capable of handling a variety of farming tasks. This row-crop tractor, offered in both standard and Wheatland configurations, was equipped with a range of engine options, including gasoline, diesel, and LP gas, to suit the preferences and requirements of farmers. Its availability in two- or four-wheel drive and a choice of transmissions further added to its adaptability. Over the years, the Oliver 1850 has earned a reputation for its power, durability, and dependability, making it a cherished asset for farmers and a sought-after collector’s item for tractor enthusiasts.

Oliver 1850 Specs
Years in Production1964 – 1969
Series50 Series
TypeRow-Crop tractor
Original Price (1969)$8,500
Variants
1850Row-crop
1850 WheatlandStandard
Power
Gas PTO (claimed)92 hp (68.6 kW)
Diesel PTO (claimed)92 hp (68.6 kW)
LP-gas PTO (claimed)90 hp (67.1 kW)
Drawbar (tested)84.52 hp (63.0 kW)
PTO (tested)92.94 hp (69.3 kW)
Waukesha-Oliver 5.1L 6-cyl Gasoline Engine
Type6-cylinder, liquid-cooled
Displacement310 cubic inches (5.1 liters)
Bore/Stroke3.875 x 4.375 inches (98 x 111 mm)
Air CleanerDry with precleaner
Compression Ratio8.5:1
Rated RPM2400
Starter Volts12
Oil Capacity8 quarts (7.6 liters)
Coolant Capacity20 quarts (18.9 liters)
Perkins 5.8L 6-cyl Diesel Engine
Type6-cylinder, liquid-cooled
Displacement354 cubic inches (5.8 liters)
Bore/Stroke3.88 x 5.00 inches (99 x 127 mm)
Air CleanerDry with pre-cleaner
Compression Ratio16:1
Rated RPM2400
Starter Volts12
Oil Capacity12 quarts (11.4 liters)
Coolant Capacity20 quarts (18.9 liters)
Waukesha-Oliver 5.1L 6-cyl LP Gas Engine
Type6-cylinder, liquid-cooled
Displacement310 cubic inches (5.1 liters)
Bore/Stroke3.875 x 4.375 inches (98 x 111 mm)
Compression Ratio9:1
Starter Volts12
Oil Capacity8 quarts (7.6 liters)
Coolant Capacity20 quarts (18.9 liters)
Transmission Variants
Variant6-speed unsynchronized
Variant12-speed partial powershift
Variant18-speed partial power shift
Transmission Details
Clutch330mm dry disc
Oil capacity43 qts (40.7 L)
Mechanical
DriveTwo- or four-wheel drive
SteeringPower assist
BrakesDifferential disc brakes
Open operator station(Oliver Continental Cab optional with available air-conditioning)
Capacity
Gas Fuel34.5 gal (130.6 L)
Diesel Fuel31.5 gal (119.2 L)
LP-gas Fuel42 gal (159.0 L) or 78 gal* (295.2 L)
Hydraulic system5 gal (18.9 L)
Hydraulics
TypeOpen center
Capacity5 gal (18.9 L)
Pressure2500 psi (172.4 bar)
Valves2 to 4
Pump flow15.9 gpm (60.2 lpm)
Tractor Hitch
Rear TypeII or III Opt
Rear lift (at 24″/610mm)6000 lbs (2721 kg)
Power Take-off (PTO)
Rear PTOIndependent
Rear RPM540, 1000, 540/1000 Opt
Serial Numbers (Location – Instrument panel support)
1964150421
1965153014
1966168127
1967183382
1968200360
1969212673
Tires
2WD Ag front7.50-15
4WD Ag front12.4/11-24
Ag rear18.4-34
2WD Ag front7.50-18
4WD Ag front13.6/12-24
2WD Ag rear15.5-38
4WD Ag rear23.1-30 or 23.1-34
Dimensions
2WD Wheelbase103 inches (261 cm)
4WD Wheelbase86.25 inches (219 cm)
2WD Length159.5 inches (405 cm)
4WD Length152.5 inches (387 cm)
Width86.5 inches* (219 cm)
Height (steering wheel)78.5 inches (199 cm)
Ground clearance25.5 inches (64 cm)
2WD Front tread9.25/14.5 inches (23/36 cm)
2WD Front tread68 to 89.5 inches (172 to 227 cm)
4WD Front tread66/70.75/80 inches (167/179/203 cm)
Rear tread68 to 89.5 inches (172 to 227 cm)
Operating Weight
2WD Gas8,965 lbs (4066 kg)
2WD Diesel9,265 lbs (4202 kg)
4WD Gas10,605 lbs (4810 kg)
4WD Diesel10,965 lbs (4973 kg)
Ballasted16,225 lbs (7359 kg)
Tractor Tests (Nebraska Tractor Test Laboratory – NTTL)
NTTL 869Diesel 12-speed 4WD
NTTL 870Diesel 12-speed 2WD
NTTL 875Gasoline 12-speed 2WD
NTTL 876Gasoline 12-speed 4WD
Nebraska Tractor Test Results (1964)
Test 869 (Diesel 12-speed 4WD)PTO power at rated engine speed 92.92 hp, Fuel use 6.3 gal/hour, Max drawbar power 83.55 hp, Max pull 14,407 lbs
Test 870 (Diesel 12-speed 2WD)PTO power at rated engine speed 92.94 hp, Fuel use 6.3 gal/hour, Max drawbar power 80.04 hp, Max pull 10,773 lbs
Test 875 (Gasoline 12-speed 2WD)PTO power at rated engine speed 92.43 hp, Fuel use 7.7 gal/hour, Max drawbar power 76.66 hp, Max pull 10,675 lbs
Test 876 (Gasoline 12-speed 4WD)PTO power at rated engine speed 92.92 hp, Fuel use 8.1 gal/hour, Max drawbar power 84.52 hp, Max pull 14,227 lbs
Oliver 1610 Loader
Lift Capacity (Full at Pin)2000 lbs (907 kg)
Breakout Force3200 lbs (1451 kg)
Dump Angle69°
Reach (Dumped)39 inches (99 cm)
Reach (Ground)54 inches (137 cm)
Rollback (Ground Line)
Height (At Pin)106.5 inches (270 cm)
Clearance (Dumped)75.5 inches (191 cm)
Boom Cylinder Diameter2.75 inches (6 cm)
Bucket Width Options48 inches (121 cm) and 68 inches (172 cm)
Oliver 1810 Loader
Lift Capacity (Full at Pin)2500 lbs (1134 kg)
Breakout Force4500 lbs (2041 kg)
Dump Angle45°
Reach (Dumped)36 inches (91 cm)
Reach (Ground)87 inches (220 cm)
Rollback (Ground Line)
Height (At Pin)168 inches (426 cm)
Clearance (Dumped)140 inches (355 cm)
Boom Cylinder Diameter3 inches (7 cm)
Bucket Width78 inches (198 cm)
Oliver 1850 overview

The Oliver 1850, a true icon of its time, stands as a prized collection model with immense historical value in the world of vintage tractors. Produced from 1964 to 1969 as part of the 50 Series, this row-crop tractor has earned its esteemed status due to its exceptional craftsmanship and performance. What sets the Oliver 1850 apart is its adaptability, with options for gasoline, diesel, or LP-gas engines to cater to various preferences. Its robust build, solid construction, and distinctive design are a testament to the craftsmanship of the era.

The Oliver 1850’s place in history is underscored by its contribution to the agricultural and farming landscape of the mid-20th century. It was a dependable workhorse for farmers, capable of handling a wide range of tasks, from plowing fields to hauling loads. Its powerful engine, reliable transmission, and rugged chassis made it a favorite among those who depended on their tractors day in and day out.

Moreover, its availability in two- or four-wheel drive configurations and a choice of transmissions showcased its versatility. This tractor was not just a piece of equipment but a companion to generations of farmers, and its legacy lives on in the hearts of collectors and enthusiasts. As a collector’s item, the Oliver 1850 is a prized possession, not only for its historical significance but also for its enduring appeal as a symbol of an era when American agriculture was undergoing significant transformation.

Oliver 1850

More info about Oliver tractors: Hart-Parr Oliver Collectors Association

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