SPECS / COMPARISON
JCB Fastrac 155 vs John Deere 4450
A detailed comparison of the JCB Fastrac 155 and the John Deere 4450. Click a model name to view its full specifications.
Horsepower
JCB Fastrac 155125.3 kW (168.1 HP)
John Deere 4450115.6 kW (155.0 HP)
Weight
JCB Fastrac 1556520.0 kg (14374.1 lbs)
John Deere 44506985.0 kg (15399.3 lbs)
Lift Capacity
JCB Fastrac 1553000.0 kg (6613.9 lbs)
John Deere 44503364.0 kg (6292.0 lbs (2854.0 kg) 7416.3 lbs)
| Specification | JCB Fastrac 155 Agricultural Tractors | John Deere 4450 Agricultural Tractors |
|---|---|---|
| Tractor Type | Farm Tractor | Row-Crop Tractor |
| Horsepower | 125.3 kW (168.1 HP) | 115.6 kW (155.0 HP) |
| Weight | 6520.0 kg (14374.1 lbs) | 6985.0 kg (15399.3 lbs) |
| Lift Capacity | 3000.0 kg (6613.9 lbs) | 3364.0 kg (6292.0 lbs (2854.0 kg) 7416.3 lbs) |
| Transmission Type | Synchromesh | Full power shift with Perma-Clutch wet disc |
| Length | 576.0 cm (226.8 in.) | 416.0 cm (2WD: 153.9 in. (391.0 cm) 4WD: 163.8 in.) |
| Pump Flow | 60.0 LPM (15.8 GPM) | 100.3 LPM (26.5 GPM) |
| Years Made | 1993-1997 | 1983-1988 |
| Engine Model | Perkins 1000-6 T4 | John Deere |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 5984 cc (365.2 cu in.) | 7636 cc (466.0 cu in.) |
| Bore | 10.01 cm (3.94 in.) | 11.61 cm (4.57 in.) |
| Stroke | 12.70 cm (5.00 in.) | 12.09 cm (4.76 in.) |
| Rear PTO Type | Independent with electro-hydraulic clutch | Independent |
| Rear PTO Speed | 540 /1.000, 1.000 RPM | 540 RPM |
| Front PTO Type | Independent | — |
| Front PTO Speed | 540 /1.000, 1.000 RPM | — |
| Torque Power | 1400 RPM | — |
| Torque Speed | 602.0 N·m (444.0 lb-ft) | — |
| Rated RPM | 2400 RPM | 2700 RPM |
| Battery | Two 12V | 2 x6V or 12V |
| Starter | Electric | Electric |
| Height | 289.0 cm (113.8 in.) | 295.0 cm (116.1 in.) |
| Wheelbase | 300.0 cm (118.1 in.) | 267.0 cm (2WD: 106.7 in. (271.0 cm) 4WD: 105.1 in.) |
| Ground Clearance | 48.0 cm (18.9 in.) | — |
| Fuel Tank Capacity | 280.0 l (74.0 gal) | 246.0 l (65.0 gal) |
| Hydraulic Capacity | 76.8 l (15.9 gal (60.0 l) 20.3 gal) | — |
| Gears | 36 forward and 12 reverse | 15 forward and 4 reverse |
| Chassis | 4×4 4WD | 4×2 2WD or 4×4 MFWD 4WD |
| Brakes | Pneumatic dry disc | Hydraulic wet disc |
| Differential Lock | Electro-hydraulic rear | — |
| Drawbar Category | II | IIIN/II |
| Cabin Type | Cab standard with air conditioning | Sound-Gard cab standard or four-post Roll-Gard ROPS |
| Hitch Type | Electronic draft control | — |
| Steering Type | Power assist | Power |
| Front Tires | Ag: 480/70R30 | Ag: 10.00-16 |
| Rear Tires | Ag: 480/70R30 | Ag: 18.4-38 |
| Working Pressure | 209.9 bar (3045.0 psi) | 157.0 bar (2277.0 psi) |
| Valves | 2 | 2 to 3 |
| Compression Ratio | — | 15.8:1 |
| Oil Capacity | — | 17.0 l (4.5 gal) |
| Coolant Capacity | — | 25.6 l (6.8 gal) |
| Transmission Oil Capacity | — | 51.0 l (2WD: 10.5 gal (39.7 l) 4WD: 13.5 gal) |
| Transmission Model | — | John Deere Power Shift |
| Max. Travel Speed | — | 9.7 km/h (Forward: 18.1 MPH (29.2 km/h) Reverse: 6.0 MPH) |
| Hydraulic Type | — | Closed center |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

