Compare/Oliver 1850 vs Oliver 990

Oliver 1850 vs Oliver 990

Verdict: Oliver 1850 vs Oliver 990

The Oliver 1850 and the Oliver 990 are both tractors — here is how they stack up on the figures that matter. Oliver 1850 leads on rated power with 93 hp against 84 hp. Oliver 990 is the lighter machine (4,989 kg vs 8,965 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver 1850 is the newer design (1964 vs 1958). In short: choose the Oliver 1850 for outright pulling power, or the Oliver 990 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Oliver

Fit score

Best match

Clear

Oliver

Fit score

Clear

Rated power

93 hp

84 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

OliverReference

Introduced in late 1967, the Hydraul-Shift transmission provided an on-the-move shift to underdrive and overdrive.Reference

Gear 1 used for pull test.Reference

Steering

power assistReference

powerReference

Variants

990

—

gear driveReference

995

—

torque converterReference

1850

row-cropReference

—

1850 Wheatland

standardReference

—

Engine

Drawbar (tested)

63.0 kWReference

45.8 kWReference

Displacement

5.8 LReference

3.5 LReference

Bore/Stroke

99 x 127 mmReference

108 x 127 mmReference

Air cleaner

dry with pre-cleanerReference

—

Compression

9:1Reference

17:1Reference

Rated RPM

2400Reference

1800Reference

Starter volts

12Reference

Oil capacity

40.7 LReference

—

Coolant capacity

18.9 LReference

—

Power at rated engine speed

68.9 kWReference

—

Max power

63.0 kWReference

45.8 kWReference

Drawbar (claimed)

—

45.8 kWReference

Plows

—

6Reference

Belt (tested)

—

62.7 kWReference

Belt power (max)

—

62.7 kWReference

Transmission

Gears

18 forward and 6 reverseReference

6 forward and 2 reverseReference

Clutch

330mm dry discReference

dry discReference

Transmission

Hydraul-ShiftReference

—

PTO & Hydraulics

Gas PTO (claimed)

68.6 kWReference

—

Diesel PTO (claimed)

68.6 kWReference

—

LP-gas PTO (claimed)

67.1 kWReference

—

PTO (tested)

69.3 kWReference

—

Hydraulic system

18.9 LReference

—

Type

partial power shiftReference

gearReference

Capacity

18.9 LReference

—

Pressure

172.4 barReference

—

Valves

2 to 4Reference

—

Pump flow

60.2 lpmReference

—

Rear Type

IIIReference

—

Rear lift (at 24"/610mm)

2721 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000Reference

540Reference

PTO (claimed)

—

62.7 kWReference

Capacities

Gas Fuel

130.6 LReference

—

Diesel Fuel

119.2 LReference

—

LP-gas Fuel

295.2 LReference

—

Diameter

—

31 cmReference

RPM

—

1021Reference

Speed

—

998.83 meters/minReference

Dimensions

2WD Wheelbase

261 cmReference

—

4WD Wheelbase

219 cmReference

—

Weight

8965 to 10965 poundsReference

4989 kgReference

Front tire

7.50-15Reference

7.50-18Reference

Rear tire

18.4-34Reference

18-26Reference

2WD Ag front

7.50-18Reference

—

4WD Ag front

13.6/12-24Reference

—

Ag rear

18.4-34Reference

15-34Reference

2WD Ag rear

15.5-38Reference

—

4WD Ag rear

23.1-34Reference

—

2WD Length

405 cmReference

—

4WD Length

387 cmReference

—

Width

219 cmReference

22 cmReference

Height (steering wheel)

199 cmReference

—

Ground clearance

64 cmReference

—

2WD Front tread

172 to 227 cmReference

—

4WD Front tread

167/179/203 cmReference

—

Rear tread

172 to 227 cmReference

167 cmReference

Operating

4973 kgReference

—

Ballasted

7359 kgReference

—

Wheelbase

—

202 cmReference

Ag front

—

7.50-18Reference

Front tread

—

152 cmReference

Oliver 1850 attachments

1850 Serial Number Location

1850 Serial Numbers

1964

150421Reference

—

1965

153014Reference

—

1966

168127Reference

—

1967

183382Reference

—

1968

200360Reference

—

1969

212673Reference

—

Attachment overview

Test results

Fuel use

31.0 l/hourReference

18.9 l/hourReference

Max pull

6453 kgReference

5728 kgReference

Belt fuel use (max)

—

23.8 l/hourReference

990 Serial Numbers

1958

—

67828Reference

1959

—

71245Reference

1960

—

84487Reference

1961

—

110064Reference

Final

—

115469Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.