• Rigid chassis
  • WhichTractor size: Utility
  • Lab tested ×1
  • 2002–2005
  • 699 built

WhichTractor size, not the maker’s category

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

Renault Ares 656 RZ specs: hp, weight, years

JOHN DEERE 6068 TRT 71 six-cylinder diesel. The manufacturer claimed 123 horsepower. The only laboratory test on record is of one version: OECD Test 2107 measured 114.3 hp at the PTO of the Ares 656 RZ (4 WD). Compared at the engine's rated speed, where the brochure figure is quoted, the shaft gave 104.7 hp — 15.1% below the claim.

Engine power, claimed · gross or net not stated

123 hp

92 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Renault Ares 656 RZ”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
13,217 lb
3-point lift
19,048 lb
Top speed
24.9 mph

Renault Ares 656 RZ specs: key facts

  • The Renault Ares 656 RZ was built from 2002 to 2005.

  • Only one version of the Renault Ares 656 RZ has a laboratory test on record: the Ares 656 RZ (4 WD) produced 85.2 kW (114.3 hp) at the PTO, measured on OECD Test 2107.Source 1

  • The Renault Ares 656 RZ has a claimed engine power (gross or net not stated) of 92 kW (123 hp); it has no measured PTO figure.

  • The Renault Ares 656 RZ is four-wheel drive (4WD).Source 2

  • The Renault Ares 656 RZ has a JOHN DEERE 6068 TRT 71 engine, a 6-cylinder 6.79 L diesel unit.

  • The Renault Ares 656 RZ weighs 5,995 kg (13,217 lb) unladen.

  • The Renault Ares 656 RZ has an independent rear PTO running at 540/1000/540E/1000E rpm.

  • The three-point hitch of the Renault Ares 656 RZ lifts 8,640 kg (19,048 lb) at the lower-link ends.

Source · Traktorenlexikon, “Renault Ares 656 RZ”

How does the Ares 656 RZ compare with its class?

  • Strength:

    A three-point lift at the lower links of 8,640 kg is high for its class — 51% above the median of 5,740 kg across the 190 machines within 10% of its power that hold this figure.

  • Strength:

    32 forward gears is high for its class — 100% above the median of 16 across the 247 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 276 comparable records. How we work this out

Illustration of the 2002–2005 Renault Ares 656 RZ, a 123 hp farm tractor, a drawing generated from its specification record
Illustration — not a photograph

How much horsepower does an Ares 656 RZ have?

The only laboratory test on record is of one version. OECD Test 2107 measured 114.3 hp at the PTO of the Ares 656 RZ (4 WD). For the Ares 656 RZ as a whole the figure is the 123 hp claimed for the engine, which is not power at the shaft.

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

Sources · Traktorenlexikon, “Renault Ares 656 RZ”; OECD test report 2107, 2004

What engine is in an Ares 656 RZ?

An Ares 656 RZ has a JOHN DEERE 6068 TRT 71, a 6-cylinder 6.79 L diesel engine.

Engine — Ares 656 RZ engine specifications
Make & modelJOHN DEERE 6068 TRT 71
Cylinders6, liquid-cooled
Displacement414.2 ci · 6.79 L
Aspirationsupercharged
Max torque350 lb·ft · 474 N·m @ 1,520 rpm
InjectionDirect injection
Electrical system12 V

Source · Traktorenlexikon, “Renault Ares 656 RZ”

How much will an Ares 656 RZ lift?

An Ares 656 RZ lifts 19,048 lb (8,640 kg) at the lower-link ends.

Hydraulics & PTO — Ares 656 RZ hydraulics and PTO specifications
SystemClosed centreSource 2
Pressure2,901 psi · 200 bar
Lift at ends19,048 lb · 8,640 kg
Rear PTOIndependent, engine-driven, 540/1000/540E/1000E rpm @ 1,976 engine rpmEngages under load
PTO shaft1 3/8"- 6 splines and 1 3/8"- 21 part

Source · Traktorenlexikon, “Renault Ares 656 RZ”

What transmission does an Ares 656 RZ have?

Transmission specifications for the Ares 656 RZ are below.

Transmission — Ares 656 RZ transmission specifications
ClutchPedal-operated driving clutch with four plates and 230 mm disc diameter
Top speed24.9 mph · 40 km/h

Source · Traktorenlexikon, “Renault Ares 656 RZ”

How much does an Ares 656 RZ weigh?

An Ares 656 RZ weighs 13,217 lb (5,995 kg) unladen.

Weights & dimensions — Ares 656 RZ weights and dimensions
Unladen weight13,217 lb · 5,995 kg
Maximum permissible mass20,393 lb · 9,250 kg
Wheelbase108.3 in · 2,750 mm
Length242.1 in · 6,150 mm
Width100.4 in · 2,550 mm
Height115.9 in · 2,945 mm
Ground clearance21.5 in · 545 mm
Front track62.2–85.8 in · 1,580–2,180 mm
Rear track66.9–86.6 in · 1,700–2,200 mm
Turning radius, braked16.1 ft · 4.90 m

Source · Traktorenlexikon, “Renault Ares 656 RZ”

What oil does an Ares 656 RZ take, and how much?

An Ares 656 RZ engine takes 22.2 qt (21.0 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

Ares 656 RZ fluid capacities, grades and service intervals
SystemCapacity
Engine oil22.2 qt · 21.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified
Transmission & hydraulic74.0 qt · 70.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified
Front axle6.3 qt · 6.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified
Cooling system14.3 qt · 13.5 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

How much fuel does an Ares 656 RZ burn per hour?

Measured on OECD Test 2107 (tested as the Ares 656 RZ (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 2107
Test conditionFuel per hour
Maximum PTO powerPTO 85.2 kW (114.3 hp) at 1,000 rpm27.00 L/h 7.13 gal/h
Rated engine speedPTO 78.1 kW (104.7 hp) at 1,101 rpm26.55 L/h 7.01 gal/h
Standard PTO speedPTO 85.2 kW (114.3 hp) at 1,000 rpm27.00 L/h 7.13 gal/h
75% load, 50% loadNot on record for this test

Source · OECD Test 2107

Which tractors compare with an Ares 656 RZ?

Within 10% of its 123 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the Renault Ares 656 RZ

Is an Ares 656 RZ two-wheel drive or four-wheel drive?

The Renault Ares 656 RZ is four-wheel drive (4WD).

What PTO does an Ares 656 RZ have?

An Ares 656 RZ has a independent 540/1000/540E/1000E rpm rear PTO on a 1 3/8"- 6 splines and 1 3/8"- 21 part shaft.

Sources and how this page was built

Compiled from OECD tractor test report 2107; and Traktorenlexikon, “Renault Ares 656 RZ”.

Sources checked

14 SEP 2026

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 2/2 107: Claas Ares 656 RZ — Licence not stated by the publisher; facts cited, OECD-2107 · published 2004-02-06 · retrieved 2026-09-14. OECD; testing station Cemagref, Antony, France. Original document
  2. OECD Code 2 test report 2/2 107: Renault Ares 656 RZ — Licence not stated by the publisher; facts cited, OECD-2107 · published 2004-02-06 · retrieved 2026-09-14. OECD; testing station Cemagref, Antony, France. Original document
  3. Traktorenlexikon: Renault Ares 656 RZ — CC BY-SA 4.0, WIKIBOOKS-TL-109558 · revision 999837. Wikibooks contributors (Traktorenlexikon). Original document