Compare/Zetor 7745 vs Zetor Proxima 6421

Zetor 7745 vs Zetor Proxima 6421

Verdict: Zetor 7745 vs Zetor Proxima 6421

The Zetor 7745 and the Zetor Proxima 6421 are both tractors — here is how they stack up on the figures that matter. Zetor Proxima 6421 leads on rated power with 67 hp against 66 hp. Zetor Proxima 6421 is the lighter machine (3,284 kg vs 3,583 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Zetor Proxima 6421 holds more fuel (75.7 L vs 70.0 L) for longer stints between fills. Zetor Proxima 6421 is the newer design (2004 vs 1988). In short: choose the Zetor Proxima 6421 for outright pulling power, or the Zetor 7745 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

Zetor

Fit score

Best match

Clear

Zetor

Fit score

Best match

Clear

Rated power

66 hp

67 hp

Confidence

40%

Guide price

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Overview

Manufacturer

ZetorReference

Five gears, plus reverse, in high and low ranges. Fourth and fifth gears are synchronized.Reference

With 16.9-34 rear tires. Reverse speeds are 10% faster than forward.Reference

Steering

power assistReference

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Variants

6421

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2WDReference

6441

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4WDReference

7711

2WDReference

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7745

4WDReference

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Engine

Fuel tank

70.0 LReference

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Engine

60.4 kWReference

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Drawbar (claimed)

43.3 kWReference

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Drawbar (tested)

41.7 kWReference

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Displacement

3.9 LReference

4.2 LReference

Bore/Stroke

102 x 120 mmReference

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Power

60.4 kWReference

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Air cleaner

oil bath with pre-cleanerReference

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Compression

17:1Reference

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Rated RPM

2200Reference

Idle RPM

600-2400Reference

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Starter

electricReference

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Starter volts

12Reference

Coolant capacity

13.7 LReference

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Power at rated engine speed

49.0 kWReference

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Max power

41.7 kWReference

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ROPS Fuel tank

—

75.7 LReference

Cab Fuel tank

—

121.1 LReference

Engine (gross)

—

50.0 kWReference

Engine (net)

—

47.7 kWReference

Power (net)

—

47.7 kWReference

Power (gross)

—

50.0 kWReference

Transmission

Gears

10 forward and 2 reverseReference

12 forward and reverseReference

Clutch

—

304.8mm hydraulic cerametallic discReference

PTO & Hydraulics

PTO (claimed)

55.9 kWReference

44.7 kWReference

PTO (tested)

49.0 kWReference

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Type

partially synchronizedReference

mechanical shuttleReference

Pressure

160.0 barReference

200.0 barReference

Valves

2Reference

3Reference

Total flow

29.9 lpmReference

68.1 lpmReference

Rear Type

II/IReference

Rear lift

2404 kgReference

3098 kgReference

Front Hitch

IIReference

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Rear PTO

independentReference

Rear PTO Type

540/1000Reference

540 (1.375)Reference

Front PTO Type

1000Reference

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Power at rated PTO speed

46.4 kWReference

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Pump flow

—

53.0 lpmReference

Control

—

position and draft controlReference

Dimensions

Wheelbase

222 cmReference

228 cmReference

Weight

3583 kgReference

3284 kgReference

Front tire

11.2-24Reference

9.00-16Reference

Rear tire

16.9-28Reference

16.9-30Reference

Standard tires (ag)

Front: 11.2-24. Rear: 16.9-28Reference

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Optional tires (ag)

Front: 12.4-24. Rear: 16.9-34Reference

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Length

379 cmReference

386 cmReference

Width

198 cmReference

185 cmReference

Height (cab)

264 cmReference

259 cmReference

Height (exhaust)

274 cmReference

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Ground clearance

38 cmReference

55 cmReference

Ag front

—

9.00-16Reference

Ag rear

—

16.9-30Reference

Height (ROPS)

—

261 cmReference

Front tread

—

142 to 180 cmReference

Rear tread

—

142 to 180 cmReference

7745 Serial Numbers

Location:

Serial number plate on the right side of the dashboard.Reference

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Electrical

Ground

negativeReference

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Charging system

alternatorReference

Charging amps

55Reference

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Battery volts

12Reference

ROPS Charging amps

—

55Reference

Cab Charging amps

—

70Reference

Test results

Fuel use

14.0 l/hourReference

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Max pull

3394 kgReference

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Zetor 6421 attachments

Attachment overview

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.