Compare/Fortschritt ZT 303 vs Oliver 1855

Fortschritt ZT 303 vs Oliver 1855

Verdict: Fortschritt ZT 303 vs Oliver 1855

The Fortschritt ZT 303 and the Oliver 1855 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 99 hp. Oliver 1855 is the lighter machine (5,057 kg vs 6,032 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver 1855 holds more fuel (132.5 L vs 124.9 L) for longer stints between fills. Fortschritt ZT 303 is the newer design (1971 vs 1969). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Fortschritt

Fit score

Best match

Clear

Oliver

Fit score

Best match

Clear

Rated power

99 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

FortschrittReference

Oliver (a part of White)Reference

liquid-cooledReference

The Hydraul-Shift overs a power shift between over-, under-, and direct-drive for each gear.Reference

Variants

ZT 300

2WDReference

—

ZT 304

industrial modelReference

—

Engine

Fuel tank

124.9 LReference

132.5 LReference

Engine

73.5 kWReference

—

Displacement

6.6 LReference

5.1 LReference

Bore/Stroke

120 x 145 mmReference

98 x 111 mmReference

Power

73.5 kWReference

—

Rated RPM

1800Reference

2400Reference

Torque

430.1 NmReference

—

Torque RPM

1350Reference

—

Firing order

1-3-4-2Reference

—

Drawbar (tested)

—

61.6 kWReference

Air cleaner

—

dryReference

Compression

—

8.5:1Reference

Starter volts

—

12Reference

Coolant capacity

—

18.9 LReference

Power at rated engine speed

—

73.5 kWReference

Max power

—

61.6 kWReference

Transmission

Gears

9 forward and 6 reverseReference

18 forward and 6 reverseReference

Clutch

—

330mm cerametallic discReference

Transmission

—

Hydraul-ShiftReference

PTO & Hydraulics

Rear PTO Type

540/1000Reference

1000Reference

PTO (claimed)

—

73.1 kWReference

PTO (tested)

—

73.5 kWReference

Type

—

partial power shiftReference

Pressure

—

151.7 barReference

Pump flow

—

75.7 lpmReference

Rear Type

—

II/III (optional)Reference

Rear lift

—

2721 kgReference

Rear PTO

—

independentReference

Engine RPM

—

984@2400Reference

Dimensions

Weight

6032 kgReference

5057 kgReference

Front tire

12.5-20Reference

11L-15Reference

Rear tire

18.4/15-30Reference

23.1-34Reference

Ag front

12.5-20Reference

11L-15Reference

Ag rear

18.4/15-30Reference

23.1-34Reference

Length

465 cmReference

—

Width

246 cmReference

204 cmReference

Height

261 cmReference

—

2WD Wheelbase

—

261 cmReference

4WD Wheelbase

—

219 cmReference

2WD Length

—

405 cmReference

4WD Length

—

387 cmReference

Height (steering wheel)

—

217 cmReference

2WD Ground clearance

—

64 cmReference

4WD Ground clearance

—

34 cmReference

2WD Front tread

—

156 to 222 cmReference

4WD Front tread

—

152/179/203 cmReference

Rear tread

—

144 to 303 cmReference

1855 Serial Numbers

1969

—

220-640Reference

1970

—

221-099Reference

1971

—

225-508Reference

1972

—

231-366Reference

1973

—

236-585Reference

1974

—

247-436Reference

1975

—

255-727Reference

Final

—

255-785Reference

Test results

Fuel use

—

22.7 l/hourReference

Max pull

—

5210 kgReference

Speeds

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.