• WhichTractor size: Utility
  • Lab tested ×1
  • 2005–2007

WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

Claas Ares 657 ATZ Full specifications

John Deere DPS 6068TRT71. The manufacturer claimed 123.2 horsepower. The only laboratory test on record is of one version: OECD Test 2294 measured 114.0 hp at the PTO of the Ares 657 ATZ (4 WD).

Engine power, claimed · gross or net not stated

123.2 hp

91.9 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Claas Ares 657 ATZ”, claimed

Weight
11,089 lb
Top speed
24.9 mph

Claas Ares 657 ATZ specs: key facts

  • The Claas Ares 657 ATZ was built from 2005 to 2007.

  • Only one version of the Claas Ares 657 ATZ has a laboratory test on record: the Ares 657 ATZ (4 WD) produced 85.0 kW (114.0 hp) at the PTO, measured on OECD Test 2294.Source 1

  • The Claas Ares 657 ATZ has a claimed engine power (gross or net not stated) of 91.9 kW (123.2 hp); it has no measured PTO figure.

  • The Claas Ares 657 ATZ is four-wheel drive (4WD).Source 1

  • The Claas Ares 657 ATZ weighs 5,030 kg (11,089 lb) unladen.

  • The Claas Ares 657 ATZ has a rear PTO running at 540/1000 rpm.Source 1

Source · Traktorenlexikon, “Claas Ares 657 ATZ”

Claas Ares 657 ATZ tractor
Photo: User:MarkusHagenlocher, CC BY-SA 3.0 via Wikimedia Commons · Wrong photo?

How much horsepower does an Ares 657 ATZ have?

The only laboratory test on record is of one version. OECD Test 2294 measured 114.0 hp at the PTO of the Ares 657 ATZ (4 WD). For the Ares 657 ATZ as a whole the figure is the 123.2 hp claimed for the engine, which is not power at the shaft.

Engine, claimed (gross/net not stated)
123.2 hp

Sources · Traktorenlexikon, “Claas Ares 657 ATZ”; OECD test report 2294, 2005

How much will an Ares 657 ATZ lift?

Hydraulic and PTO specifications for the Ares 657 ATZ are below.

Hydraulics & PTO — Ares 657 ATZ hydraulics and PTO specifications
Pressure2,901 psi · 200 barSource 2
Rear PTO540/1000 rpm
PTO shaft34.9 mm, 6 splines / 34.9 mm, 21 splines

Source · OECD test report 2294, 2005

What transmission does an Ares 657 ATZ have?

Transmission specifications for the Ares 657 ATZ are below.

Transmission — Ares 657 ATZ transmission specifications
Top speed24.9 mph · 40 km/h

Source · Traktorenlexikon, “Claas Ares 657 ATZ”

How much does an Ares 657 ATZ weigh?

An Ares 657 ATZ weighs 11,089 lb (5,030 kg) unladen.

Weights & dimensions — Ares 657 ATZ weights and dimensions
Unladen weight11,089 lb · 5,030 kg
Maximum permissible mass19,401 lb · 8,800 kg
Wheelbase111.0 in · 2,820 mm
Length203.1 in · 5,160 mm
Width100.4 in · 2,550 mm
Height118.5 in · 3,010 mm
Front track79.5 in · 2,020 mmWikibooks gives one track for both axles
Rear track79.5 in · 2,020 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “Claas Ares 657 ATZ”

How much fuel does an Ares 657 ATZ burn per hour?

Measured on OECD Test 2294 (tested as the Ares 657 ATZ (4 WD)), at each condition the laboratory recorded.

Cost per hour = fuel used per hour × your fuel price (per litre, or per US gallon for the gal/h figure).

Fuel use measured on OECD Test 2294
Test conditionFuel per hour
Maximum PTO powerPTO 85.0 kW (114.0 hp) at 975 rpm27.02 L/h 7.14 gal/h
Rated engine speedPTO 78.7 kW (105.5 hp) at 1,100 rpm27.88 L/h 7.37 gal/h
Standard PTO speedPTO 84.7 kW (113.6 hp) at 1,000 rpm27.87 L/h 7.36 gal/h
75% load, 50% loadNot on record for this test

Source · OECD Test 2294

Which tractors compare with an Ares 657 ATZ?

Within 10% of its 123.2 hp of claimed engine power, the same type, and first built within 15 years of it.

Everything else people ask

Is an Ares 657 ATZ two-wheel drive or four-wheel drive?

The Claas Ares 657 ATZ is four-wheel drive (4WD).

What PTO does an Ares 657 ATZ have?

An Ares 657 ATZ has a 540/1000 rpm rear PTO on a 34.9 mm, 6 splines / 34.9 mm, 21 splines shaft.

Where this page comes from

Compiled from OECD tractor test report 2294; and Traktorenlexikon, “Claas Ares 657 ATZ”.

Last verified

Not yet verified

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. OECD Code 2 test report 2/2 294: Claas Ares 657 ATZ — Licence not stated by the publisher; facts cited, OECD-2294 · published 2005-11-29 · retrieved 2026-09-14. OECD; testing station Cemagref, Antony, France. Original document
  2. Traktorenlexikon: Claas Ares 657 ATZCC BY-SA 4.0, WIKIBOOKS-TL-103023 · revision 1042128. Wikibooks contributors (Traktorenlexikon). Original document