- Rigid chassis
- WhichTractor size: Standard-size
- No lab test on file
- 1969–1972
- 4,882 built
WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
John Deere 3120 (A) specs: hp, weight, years
John Deere M 6 BL-H or 6.303 DL-01 six-cylinder diesel. The manufacturer claimed 79.9 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
79.9 hp
59.6 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “John Deere 3120”, 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
- 8,393 lb
- 3-point lift
- 5,467 lb
- Hyd. flow
- 12.4 gpm
- Top speed
- 15.5 mph
John Deere 3120 (A) specs: key facts
The John Deere 3120 (A) was built from 1969 to 1972.
The John Deere 3120 (A) has a claimed engine power (gross or net not stated) of 59.6 kW (79.9 hp); it has no measured PTO figure.
The John Deere 3120 (A) was offered in two-wheel-drive and four-wheel-drive versions.
The John Deere 3120 (A) has a John Deere M 6 BL-H or 6.303 DL-01 engine, a 6-cylinder 4.98 L diesel unit.
The John Deere 3120 (A) weighs 3,807 kg (8,393 lb) unladen.
The John Deere 3120 (A) has an independent rear PTO running at 540/1000 rpm.
The three-point hitch of the John Deere 3120 (A) lifts 2,480 kg (5,467 lb) at the lower-link ends.
The hydraulic pump of the John Deere 3120 (A) delivers 46.9 L/min (12.4 gpm).
Source · Traktorenlexikon, “John Deere 3120”
How much horsepower does a 3120 (A) have?
The only figure for the 3120 (A) is 79.9 hp (59.6 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “John Deere 3120”
What engine is in a 3120 (A)?
A 3120 (A) has a John Deere M 6 BL-H or 6.303 DL-01, a 6-cylinder 4.98 L diesel engine.
| Make & model | John Deere M 6 BL-H or 6.303 DL-01 |
|---|---|
| Cylinders | 6, liquid-cooled |
| Displacement | 303.7 ci · 4.98 L |
| Max torque | 228 lb·ft · 309 N·m |
| Injection | Direct injection |
| Electrical system | 12 V |
Source · Traktorenlexikon, “John Deere 3120”
How much will a 3120 (A) lift, and what is its hydraulic flow?
A 3120 (A) lifts 5,467 lb (2,480 kg) at the lower-link ends of its Category 2 three-point hitch.
| System | Closed centre |
|---|---|
| Pump flow | 12.4 gpm · 46.9 L/min |
| Hitch category | Category 2 |
| Lift at ends | 5,467 lb · 2,480 kg |
| Rear PTO | Independent, engine-driven, 540/1000 rpm @ 2,176 engine rpm |
| PTO shaft | 1 3/8"- 6 splines or 1 3/8"- 21 spline |
Source · Traktorenlexikon, “John Deere 3120”
What transmission does a 3120 (A) have?
Transmission specifications for the 3120 (A) are below.
| Clutch | Pedal operated dry Fichtel & Sachs single disc clutch |
|---|---|
| Brakes | Pedal operated hydraulic wet disc brake acting on differential layshaft |
| Steering | Hydraulic power steering |
| Top speed | 15.5 mph · 25 km/h |
Source · Traktorenlexikon, “John Deere 3120”
How much does a 3120 (A) weigh?
A 3120 (A) weighs 8,393 lb (3,807 kg) unladen.
| Unladen weight | 8,393 lb · 3,807 kg |
|---|---|
| Maximum permissible mass | 9,921 lb · 4,500 kg |
| Maximum front axle load | 3,131 lb · 1,420 kg |
| Maximum rear axle load | 9,921 lb · 4,500 kg |
| Wheelbase | 97.0 in · 2,464 mm |
| Length | 159.9 in · 4,062 mm |
| Width | 79.9–95.6 in · 2,029–2,429 mm |
| Height | 65.4 in · 1,661 mm |
| Ground clearance | 17.6 in · 446 mmtwo-wheel-drive version |
| Front track | 56.9–77.0 in · 1,445–1,955 mm |
| Rear track | 63.0–83.1 in · 1,600–2,110 mm |
| Turning radius, braked | 12.6 ft · 3.85 mtwo-wheel-drive version |
Source · Traktorenlexikon, “John Deere 3120”
What oil does a 3120 (A) take, and how much?
A 3120 (A) engine takes 10.9 qt (10.3 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 10.9 qt · 10.3 LSource: Traktorenlexikon, “John Deere 3120” · single source, not independently verified |
| Transmission & hydraulic | 60.2 qt · 57.0 LSource: Traktorenlexikon, “John Deere 3120” · single source, not independently verified |
| Cooling system | 20.1 qt · 19.0 LSource: Traktorenlexikon, “John Deere 3120” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a 3120 (A)?
Within 10% of its 74.0 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.
- Steyr 98073.6 hp PTO, claimed · 1974–1977Side by side with the 3120 (A) →
- SAME Panter (DT)74.8 hp PTO, claimed · 1973–1977Side by side with the 3120 (A) →
- SAME Panther 90 (DT)74.8 hp PTO, claimed · 1978–1980Side by side with the 3120 (A) →
- Hürlimann H-490 (A)75.6 hp PTO, claimed · 1979–1983Side by side with the 3120 (A) →
- SOMECA 880 (TD)72.3 hp PTO, claimed · 1975–1980Side by side with the 3120 (A) →
- Volvo T 80075.7 hp PTO, claimed · 1966–1978Side by side with the 3120 (A) →
Common questions about the John Deere 3120 (A)
Is a 3120 (A) two-wheel drive or four-wheel drive?
The John Deere 3120 (A) was offered in two-wheel-drive and four-wheel-drive versions.
What PTO does a 3120 (A) have?
A 3120 (A) has a independent 540/1000 rpm rear PTO on a 1 3/8"- 6 splines or 1 3/8"- 21 spline shaft.
Sources and how this page was built
Compiled from Traktorenlexikon, “John Deere 3120”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: John Deere 3120 — CC BY-SA 4.0, WIKIBOOKS-TL-49588 · revision 1018499. Wikibooks contributors (Traktorenlexikon). Original document