- 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

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.
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.
| Make & model | JOHN DEERE 6068 TRT 71 |
|---|---|
| Cylinders | 6, liquid-cooled |
| Displacement | 414.2 ci · 6.79 L |
| Aspiration | supercharged |
| Max torque | 350 lb·ft · 474 N·m @ 1,520 rpm |
| Injection | Direct injection |
| Electrical system | 12 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.
| System | Closed centreSource 2 |
|---|---|
| Pressure | 2,901 psi · 200 bar |
| Lift at ends | 19,048 lb · 8,640 kg |
| Rear PTO | Independent, engine-driven, 540/1000/540E/1000E rpm @ 1,976 engine rpmEngages under load |
| PTO shaft | 1 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.
| Clutch | Pedal-operated driving clutch with four plates and 230 mm disc diameter |
|---|---|
| Top speed | 24.9 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.
| Unladen weight | 13,217 lb · 5,995 kg |
|---|---|
| Maximum permissible mass | 20,393 lb · 9,250 kg |
| Wheelbase | 108.3 in · 2,750 mm |
| Length | 242.1 in · 6,150 mm |
| Width | 100.4 in · 2,550 mm |
| Height | 115.9 in · 2,945 mm |
| Ground clearance | 21.5 in · 545 mm |
| Front track | 62.2–85.8 in · 1,580–2,180 mm |
| Rear track | 66.9–86.6 in · 1,700–2,200 mm |
| Turning radius, braked | 16.1 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.
| System | Capacity |
|---|---|
| Engine oil | 22.2 qt · 21.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified |
| Transmission & hydraulic | 74.0 qt · 70.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified |
| Front axle | 6.3 qt · 6.0 LSource: Traktorenlexikon, “Renault Ares 656 RZ” · single source, not independently verified |
| Cooling system | 14.3 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).
| Test condition | Fuel per hour |
|---|---|
| Maximum PTO powerPTO 85.2 kW (114.3 hp) at 1,000 rpm | 27.00 L/h 7.13 gal/h |
| Rated engine speedPTO 78.1 kW (104.7 hp) at 1,101 rpm | 26.55 L/h 7.01 gal/h |
| Standard PTO speedPTO 85.2 kW (114.3 hp) at 1,000 rpm | 27.00 L/h 7.13 gal/h |
| 75% load, 50% load | Not 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.
- John Deere 6620123 hp engine, claimed · 2002–2007Side by side with the Ares 656 RZ →
- Deutz-Fahr Agrotron TTV 1130123.4 hp engine, claimed · 2001–2006Side by side with the Ares 656 RZ →
- John Deere 7320 (A)123 hp engine, claimed · 2003–2007Side by side with the Ares 656 RZ →
- Massey Ferguson 6470A123 hp engine, claimed · 2003–2012Side by side with the Ares 656 RZ →
- Massey Ferguson 6280 (A)123 hp engine, claimed · 1999–2003Side by side with the Ares 656 RZ →
- John Deere 6430 Premium123 hp engine, claimed · 2006–2011Side by side with the Ares 656 RZ →
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
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- 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
- 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
- Traktorenlexikon: Renault Ares 656 RZ — CC BY-SA 4.0, WIKIBOOKS-TL-109558 · revision 999837. Wikibooks contributors (Traktorenlexikon). Original document