Compare/Claas Ares 557 vs Claas Arion 420

Claas Ares 557 vs Claas Arion 420

Verdict: Claas Ares 557 vs Claas Arion 420

The Claas Ares 557 and the Claas Arion 420 are both tractors — here is how they stack up on the figures that matter. Claas Arion 420 leads on rated power with 100 hp against 99 hp. Claas Arion 420 is the lighter machine (4,898 kg vs 10,406 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Claas Ares 557 holds more fuel (180.2 L vs 174.9 L) for longer stints between fills. Claas Arion 420 is the newer design (2009 vs 2005). In short: choose the Claas Arion 420 for outright pulling power, or the Claas Ares 557 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

Claas

Fit score

Best match

Clear

Claas

Fit score

Best match

Clear

Rated power

99 hp

100 hp

Confidence

98%

Guide price

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Overview

Manufacturer

ClaasReference

liquid-cooledReference

Four power shift gears in four power shift ranges. Power shuttle shifting. Quadractiv, optional on CIS models, allows for automated gear shifting.Reference

Differential lock

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electro-hydraulicReference

Engine

Fuel tank

180.2 LReference

174.9 LReference

Engine (net)

73.6 kWReference

74.6 kWReference

Displacement

4.5 LReference

Bore/Stroke

106 x 127 mmReference

Rated Power (net)

73.6 kWReference

74.6 kWReference

Maximum Power (net)

76.5 kWReference

78.3 kWReference

Rated RPM

2200Reference

Torque

419.0 NmReference

465.1 NmReference

Torque RPM

1400Reference

1650Reference

Starter

electricReference

—

Starter volts

12Reference

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Starter type

—

electricReference

Oil change

—

500 hReference

Transmission

Gears

24 forward and reverseReference

16 forward and reverseReference

Transmission

—

QuadrishiftReference

PTO & Hydraulics

Type

power shuttleReference

power shiftReference

Pressure

200.0 barReference

195.0 barReference

Pump flow

110.1 lpmReference

98.0 lpmReference

Rear PTO

independentReference

Clutch

wet discReference

Rear PTO Type

540/1000Reference

540/540E/1000/1000EReference

Rear valves

—

2 to 4Reference

Dimensions

Wheelbase

256 cmReference

Weight

10406 to 10626 poundsReference

4898 kgReference

Front tire

14.9R28Reference

14.9R24Reference

Rear tire

18.4R38Reference

18.4R34Reference

Standard tires (ag)

Front: 14.9R28. Rear: 18.4R38Reference

Front: 14.9R24. Rear: 18.4R34Reference

Length

471 cmReference

444 cmReference

Height

290 cmReference

276 cmReference

ATX

4720 kgReference

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ATZ

4819 kgReference

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Max weight

—

8799 kgReference

Clearance (front axle)

—

46 cmReference

Clearance (rear axle)

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45 cmReference

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Battery volts

12Reference

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Capacities

Max capacity

8000 kgReference

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Variants

420 CIS

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Claas information systemReference

Claas Arion 420 attachments

Attachment overview

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.