John Deere
4120
Farm tractor · 2004–2014 · 43 hp
John Deere4120
The John Deere 4120 is a farm tractor manufactured from 2004 to 2014. It features a 43 hp engine, and ROPS steering. The transmission is a hydrostatic type with 12 forward and reverse.
Engine
| Fuel Type | diesel |
|---|---|
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Turbocharger Status | turbocharged diesel |
| Displacement | 148.9 ci (2.4 L) |
| Bore | 3.39 in (86 mm) |
| Stroke | 4.13 in (105 mm) |
| Compression Ratio | 20 |
| Power Gross | 43.1 hp (32.1 kW) |
| Power Rated | 43.1 hp (32.1 kW) |
| Power PTO | 35 hp (26.1 kW) |
| Starter Volts | 12 |
| Oil Capacity | 7.9 qts (7.5 L) |
| Coolant Capacity | 6.4 qts (6.1 L) |
| Manufacturer | John Deere |
| Rated | 2,400 RPM |
Transmission
| Transmission Type | hydrostatic |
|---|---|
| Transmission Model | PowrReverser |
| Gears | 12 forward and reverse |
| Oil Capacity | 41.2 qts (39 L) |
| Available Options | 12-speed, hydrostatic |
Hydraulics
| Type | open center |
|---|---|
| Pump Flow | 12 gpm (45.4 lpm) |
| Pressure | 2,500 psi (172.4 bar) |
| Total Flow | 17.1 gpm (64.7 lpm) |
| Steering Flow | 5.1 gpm (19.3 lpm) |
| System Capacity | 10.3 gal (39 L) |
PTO
| Rear Type | independent |
|---|---|
| Mid Type | 2100 |
Hitch
| Rear Type | I |
|---|---|
| Rear Lift | 3,130 lbs (1,419 kg) |
Dimensions
| Length | 128.2 in (325 cm) |
|---|---|
| Width | 65.6 in (166 cm) |
| Height | 62 in (157 cm) |
| Height Rops | 97.2 in (246 cm) |
| Wheelbase | 71.5 in (181 cm) |
Weight
| Weight | 3,700 lbs (1,678 kg) |
|---|
Tires & Tracks
| Front Ag | 8.00-16 |
|---|---|
| Rear Ag | 13.6-28 |
Fuel
| Capacity | 14.5 gal (54.9 L) |
|---|
Steering
| Type | ROPS |
|---|
Attachments
72" mid-mount mower deckJohn Deere 400X loaderJohn Deere 400CX loaderBackhoe
| Mower Deck | 72 in (182 cm) |
|---|---|
| Digging Depth | 105 in (266 cm) |
| Backhoe Model | John Deere 485 Backhoe |
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Bush Hog BH114 | Rotary Cutters | 44" | 15 hp |
| Land Pride RCR1242 | Rotary Cutters | 42" | 18 hp |
| BEFCO BRC-142 | Rotary Cutters | 42" | 20 hp |
| Bush Hog BH115 | Rotary Cutters | 56" | 20 hp |
| Land Pride RCR1260 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCR1860 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCF2060 | Rotary Cutters | 60" | 20 hp |
| Land Pride RCR1872 | Rotary Cutters | 72" | 20 hp |
| Land Pride RCF2072 | Rotary Cutters | 72" | 20 hp |
| Land Pride RCR1248 | Rotary Cutters | 48" | 20 hp |
| Land Pride RCR1548 | Rotary Cutters | 48" | 20 hp |
| BEFCO BRC-242 | Rotary Cutters | 42" | 20 hp |
| Bush Hog BH116 | Rotary Cutters | 68" | 25 hp |
| Bush Hog BH210-3 | Rotary Cutters | 60" | 25 hp |
| Land Pride RCR1272 | Rotary Cutters | 72" | 25 hp |
| BEFCO BRC-148 | Rotary Cutters | 48" | 25 hp |
| BEFCO BRC-248 | Rotary Cutters | 48" | 25 hp |
| Bush Hog BH210-3 variant 2 | Rotary Cutters | 72" | 30 hp |
| BEFCO BRC-260 | Rotary Cutters | 60" | 30 hp |
| BEFCO BRC-160 | Rotary Cutters | 60" | 30 hp |
| BEFCO BRC-172 | Rotary Cutters | 72" | 35 hp |
| Land Pride RCD1884 | Rotary Cutters | 84" | 35 hp |
| Land Pride RCF2760 | Rotary Cutters | 60" | 35 hp |
| BEFCO RMD-360 | Rotary Cutters | 60" | 35 hp |
| BEFCO BRC-272 | Rotary Cutters | 72" | 35 hp |
| Bush Hog BH310-2 | Rotary Cutters | 60" | 35 hp |
| Land Pride RCF2772 | Rotary Cutters | 72" | 35 hp |
Confirmed compatible on PTO HP and 3-point hitch category. Verify with your dealer before purchasing.