SPECS / COMPARISON
John Deere 4455 vs JCB Fastrac 185
A detailed comparison of the John Deere 4455 and the JCB Fastrac 185. Click a model name to view its full specifications.
Horsepower
John Deere 4455140.0 kW (187.8 HP)
JCB Fastrac 185140.3 kW (188.1 HP)
Weight
John Deere 44556415.0 kg (14142.6 lbs)
JCB Fastrac 1856500.0 kg (14330.0 lbs)
Lift Capacity
John Deere 44552495.0 kg (5500.5 lbs)
JCB Fastrac 1853000.0 kg (6613.9 lbs)
| Specification | John Deere 4455 Agricultural Tractors | JCB Fastrac 185 Agricultural Tractors |
|---|---|---|
| Tractor Type | Row-Crop Tractor | Farm Tractor |
| Horsepower | 140.0 kW (187.8 HP) | 140.3 kW (188.1 HP) |
| Weight | 6415.0 kg (14142.6 lbs) | 6500.0 kg (14330.0 lbs) |
| Lift Capacity | 2495.0 kg (5500.5 lbs) | 3000.0 kg (6613.9 lbs) |
| Transmission Type | Full power shift with hydraulic wet disc clutch | Synchromesh |
| Length | 402.0 cm (158.3 in.) | 576.0 cm (226.8 in.) |
| Pump Flow | 100.3 LPM (26.5 GPM) | 76.8 LPM (15.8 GPM (60.0 LPM) 20.3 GPM) |
| Years Made | 1988-1992 | 1994-1997 |
| Engine Model | John Deere | Cummins 6 BTA |
| Engine Type | 4-stroke, liquid-cooled, inline | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 7636 cc (466.0 cu in.) | 5879 cc (358.8 cu in.) |
| Bore | 11.61 cm (4.57 in.) | 10.21 cm (4.02 in.) |
| Stroke | 12.09 cm (4.76 in.) | 11.99 cm (4.72 in.) |
| Rear PTO Type | Independent with hydraulic clutch | Independent with electro-hydraulic clutch |
| Rear PTO Speed | 540 /1.000 RPM | 540 /1.000 RPM |
| Compression Ratio | 16.0:1 | — |
| Battery | Two 12V, CCA: 925A | Two 12V |
| Starter | Electric | Electric |
| Height | 295.0 cm (116.1 in.) | 297.0 cm (116.9 in.) |
| Wheelbase | 267.0 cm (2WD: 106.7 in. (271.0 cm) 4WD: 105.1 in.) | 299.0 cm (117.7 in.) |
| Fuel Tank Capacity | 246.0 l (65.0 gal) | 280.0 l (74.0 gal) |
| Oil Capacity | 18.0 l (4.8 gal) | — |
| Coolant Capacity | 25.6 l (6.8 gal) | — |
| Transmission Oil Capacity | 60.0 l (2WD: 13.5 gal (51.0 l) 4WD: 15.9 gal) | — |
| Transmission Model | John Deere Power Shift | — |
| Final Drive | Inboard planetary | — |
| Gears | 15 forward and 4 reverse | 36 forward and 12 reverse |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD | 4×4 4WD |
| Max. Travel Speed | 10.6 km/h (Forward: 19.7 MPH (31.7 km/h) Reverse: 6.6 MPH) | — |
| Brakes | Differential hydraulic wet disc | Pneumatic dry disc |
| Drawbar Category | IIIN/II | II |
| Cabin Type | Sound Guard cab | Cab with air conditioning |
| Steering Type | Power | Power assist |
| Front Tires | Ag: 2WD: 10.00-16, 4WD: 14.9-26 | Ag: 520/70R30 |
| Rear Tires | Ag: 18.4-38 | Ag: 520/70R30 |
| Hydraulic Type | Closed center | — |
| Working Pressure | 174.4 bar (2530.0 psi) | 209.9 bar (3045.0 psi) |
| Valves | 2 or 3 | 2 |
| Front PTO Type | — | Independent |
| Front PTO Speed | — | 540 /1.000 RPM |
| Torque Power | — | 1400 RPM |
| Torque Speed | — | 750.0 N·m (553.2 lb-ft) |
| Rated RPM | — | 2400 RPM |
| Ground Clearance | — | 40.0 cm (15.7 in.) |
| Hydraulic Capacity | — | 60.0 l (15.9 gal) |
| Hitch Type | — | Electronic draft control |
| Total Flow | — | 78.7 LPM (20.8 GPM) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

