Oliver 1850

Last Updated: July 2024

Overview

The Oliver 1850 is a row-crop tractor manufactured by Oliver in the mid-1960s. It features a 6-cylinder, liquid-cooled, naturally aspirated engine with a rated power output of 92.44 HP at 2400 RPM. The engine displacement is either 310 or 354 cubic inches, depending on the specific model. The tractor is available in both 2WD and 4WD configurations, with power assist steering and a range of transmission options, including unsynchronized gear, partial powershift, and up to 18 forward and 6 reverse gears. Independent test results from the University of Nebraska Tractor Test Laboratory provide additional performance metrics, such as maximum torque of 280 lb-ft, torque rise of 20.8%, fuel consumption at rated speed of 0.528 lb/hp.hr (13.25 Hp.hr/gal), and detailed hydraulic system performance. The drawbar performance at rated engine speed is 80.5 HP with a drawbar pull of 7349 lbs at 4.73 mph. The overall efficiency at standard PTO speed (1000 rpm) is 14.80 Hp.hr/gal with a fuel consumption of 6.21 Gal/hr.

Key Specifications

Category: Row Crop

Power Output: 92.44

Transmission: Unsynchronized gear or Partial powershift or Partial power shift

Drive Type: 4x2 2WD or 4x4 MFWD 4WD

Operating Weight: 8965 to 10965 (depending on configuration)

Fuel Type: Gasoline, LP gas, or Diesel

Image Gallery

Oliver 1850 Tractor

Oliver 1850 vs. Similar Tractors

Power Output

Below Average

Greater than 16% of similar tractors.

Hitch Capacity

Average

Greater than 42% of similar tractors.

Operating Weight

Excellent

Greater than 91% of similar tractors.

Technical Specifications

Engine

Manufacturer: Waukesha-Oliver or Perkins
Model: -
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Gasoline, LP gas, or Diesel
Induction Type: Naturally aspirated
Cylinders: 6
Displacement (ci): 310 or 354
Bore (in): 3.875 (Gas/LP-gas), 3.88 (Diesel)
Stroke (in): 4.375 (Gas/LP-gas), 5.00 (Diesel)
Rated RPM: 2400
Power Output (hp): 92.44

Transmission

Type: Unsynchronized gear or Partial powershift or Partial power shift
Forward Gears: 6 or 12 or 18
Reverse Gears: 2 or 4 or 6
Total Gears: -

Dimensions

Length (in): 159.4 (2WD), 152.5 (4WD)
Width (in): 86.2
Height (in): 78.3
Operating Weight (lb): 8965 to 10965 (depending on configuration)

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 540
PTO Speed 2 (rpm): 1000
PTO Speed 3 (rpm): 540/1000

Miscellaneous

Chassis: -
Drive Type: 4x2 2WD or 4x4 MFWD 4WD
Steering Type: Power assist
Coolant Capacity (qts): 20
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: 1969
Hitch Type: Three-Point Hitch
Hitch Category: II or III (optional)
Hitch Position: Rear
Hitch Capacity (lb): 5998 lbs
Operator Station Type: Open operator station or Oliver Continental Cab (optional)
Starter Type: Electric
Brake Type: Differential disc
Hydraulic System Type: Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: January 1, 1964

Maximum Power and Fuel Consumption

Maximum Power: 92.72 HP (69.13 kW) at 2200 rpm
Fuel Consumption at Maximum Power: 6.86 Gal/hr (25.98 l/h) with a fuel efficiency of 0.496 lb/hp.hr (0.301 kg/kW.h)

Drawbar Performance

Power at Rated Engine Speed (4th Gear): 80.56 HP (60.09 kW) with a drawbar pull of 6481 lbs (28.84 kN) and a speed of 4.00 mph (6.44 km/h)
Fuel Consumption at Rated Speed: 0.509 lb/hp.hr (0.309 kg/kW.h) with a fuel efficiency of 13.67 Hp.hr/gal (2.69 kW.h/l)

Torque and Engine Performance

Maximum Torque: Not documented in the provided summary.
Torque Rise: Not documented in the provided summary.

Hydraulic Performance

Maximum Force Exerted: Not documented in the provided summary.
Pump Delivery Rate: Not documented in the provided summary.
Hydraulic Power: Not documented in the provided summary.

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): Not documented in the provided summary.
Fuel Consumption: Not documented in the provided summary.

Nebraska Tractor Test Lab.(1964). Test 875: Oliver 1850. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/562