| Manufacturer | John Deere |
| Price | 60,000(USD) |
| Model | 4455 |
| Equipment Type | Row-Crop Tractors |
| Factory |
OCED TRACTOR TEST 1619 2
| Description | Diesel Powershift 4WD April 1, 1989 - May 1, 1979 Link: OCED Tractor Test 1619 file PTO performance Drawbar performance Gear 12 used for power test Gear 3 used for pull test |
| Max power | 122.53hp / 91.4kW |
| Fuel use | 8.4gal/hour / 31.8l/hour |
| Power at rated engine speed | 141.60hp / 105.6kW |
| Max pull | 17,446lbs / 7913kg |
OCED TRACTOR TEST 1628 2
| Description | Diesel Quad-Range 2WD September 1 - October 1, 1989 Link: OCED Tractor Test 1628 file PTO performance Drawbar performance |
| Max power | 128.59hp / 95.9kW |
| Fuel use | 8.4gal/hour / 31.8l/hour |
| Power at rated engine speed | 142.69hp / 106.4kW |
| Max pull | 17,161lbs / 7784kg |
JOHN DEERE 4455 POWER
| Engine (net) | 156.9hp / 117.0kW |
| PTO (claimed) | 140hp / 104.4kW |
| Drawbar (tested) | 128.59hp / 95.9kW |
| PTO (tested) | 148.14hp / 110.5kW |
ENGINE DETAIL
The John Deere 4455, equipped with a turbocharged 7.6L inline 6-cylinder diesel engine, offers high torque at low RPM, making it suitable for heavy-duty agricultural applications. With a direct injection fuel system and a high compression ratio of 16:1, it ensures efficient fuel combustion and reduced emissions, although potential challenges include the need for regular maintenance of its dual paper air cleaner to prevent airflow restrictions. Its cooling system, with a 27qt capacity, is designed to handle extended operation periods, which is advantageous for long days in the field but requires monitoring to avoid overheating.
| Description | John Deere turbocharged diesel 6-cylinder liquid-cooled inline |
| Displacement | 466ci / 7.6L |
| Bore/Stroke | 4.5625x4.75inches / 116x 121mm |
| Fuel system | direct injection |
| Air cleaner | dual paper elements |
| Compression | 16:1 |
| Rated RPM | 2200 |
| Idle RPM | 800-2400 |
| Operating RPM | 1500-2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 27qts / 25.6L |
| Intake valve clearance | 0.020inches / 0.508mm |
| Exhaust valve clearance | 0.020inches / 0.508mm |
ENGINE OIL
The John Deere 4455 tractor features an oil capacity of 19 quarts (18.0 liters), which is crucial for maintaining optimal engine performance and longevity through effective lubrication. It’s essential to monitor oil levels regularly to avoid potential overheating or wear on engine components. Regular oil changes, adhering to recommended intervals, will also ensure optimal efficiency and reliability in both agricultural and heavy-duty applications.
| Oil capacity | 19qts / 18.0L |
JOHN DEERE 4455 ENGINE
The John Deere 4455 is equipped with a robust 7.6L 6-cylinder diesel engine, providing substantial horsepower and torque, ideal for heavy-duty agricultural tasks. Its well-regarded fuel efficiency can enhance operational cost-effectiveness, although the engine's size may present challenges in terms of maintenance and weight management. For optimal performance, ensure proper maintenance practices are followed, especially with the fuel system and cooling components, to maximize longevity and productivity.
| Description | John Deere 7.6L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 4455 features a 16-speed partial power shift and a 15-speed full power shift transmission, which enhances operator control and efficiency across various field conditions. The partial power shift allows for quicker gear changes without clutching, improving productivity in operational tasks, while the full power shift provides seamless gear transitions under load for optimal performance in heavy-duty applications. A potential challenge may arise in the maintenance of the power shift system, as it requires specific knowledge and tools to address transmission issues effectively.
| Description | 16-speed partial power shift 15-speed full power shift |
TRANSMISSION 1
The John Deere 4455 features a Quad Range transmission, providing 16 forward and 6 reverse gears, allowing for efficient speed adjustments across various field conditions. The hydraulic wet disc clutch enhances durability and performance, making it suitable for heavy-duty applications. With an oil capacity of 64 quarts in 2WD and 68.8 quarts in 4WD, it ensures optimal lubrication and cooling, critical for prolonged operational periods in demanding scenarios.
| Transmission | John Deere Quad Range |
| Type | partial power shift |
| Gears | 16 forward and 6 reverse |
| Clutch | hydraulic wet disc |
| 2WD Oil capacity | 64qts / 60.6L |
| 4WD Oil capacity | 68.8qts / 65.1L |
| Description | Four gears (1-4) in four ranges (A-D) with high-low power shift |
SPEEDS 1
| Description | With 18.4-38 rear tires |
TRANSMISSION 2
The John Deere 4455 tractor features a full power shift transmission, providing seamless gear transitions through its 15 forward and 4 reverse gears, enhancing operational efficiency. The hydraulic wet disc clutch contributes to smoother shifting under load, reducing wear and tear compared to traditional clutches. However, the 2WD and 4WD models have different oil capacities (53.9 qts and 63.4 qts respectively), which may impact maintenance frequency and costs, particularly in applications requiring frequent gear changes.
| Transmission | John Deere Power Shift |
| Type | full power shift |
| Gears | 15 forward and 4 reverse |
| Clutch | hydraulic wet disc |
| 2WD Oil capacity | 53.9qts / 51.0L |
| 4WD Oil capacity | 63.4qts / 60.0L |
MECHANICAL
The John Deere 4455, featuring a 4x2 and 4x4 MFWD configuration, offers versatility in various terrains, making it suitable for both field and road applications. Its inboard planetary final drives enhance traction and reduce wear in demanding conditions, while the power steering and hydraulic wet disc brakes provide improved maneuverability and safety. The presence of a Sound Guard cab enhances operator comfort and noise reduction, crucial for extended use, although maintenance of the complex power shift transmission systems may present challenges in terms of repair and operation costs.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Final drives | inboard planetary |
| Steering | power |
| Brakes | differential hydraulic wet disc |
| Cab | Sound Guard cab standard. Four-post ROPS on Mexican-built models |
| Transmissions | 16-speed partial power shift 15-speed full power shift |
CAPACITY
| Fuel | 65gal / 246.0L |
| Hydraulic system | 13.5gal / 51.1L (Powershift 2WD) 15.9gal / 60.2L (Powershift 4WD) 16gal / 60.6L (Quad-Range 2WD) 17.2gal / 65.1L (Quad-Range 4WD) |
HYDRAULICS
| Type | closed center |
| Capacity | 13.5gal / 51.1L (Powershift 2WD) 15.9gal / 60.2L (Powershift 4WD) 16gal / 60.6L (Quad-Range 2WD) 17.2gal / 65.1L (Quad-Range 4WD) |
| Pressure | 2530psi / 174.4bar |
| Valves | 2 or 3 |
| Pump flow | 26.5gpm / 100.3lpm |
| SCV flow | 20.6gpm / 78.0lpm |
TRACTOR HITCH
| Rear Type | IIIN/II |
| Rear lift | 5504lbs / 2496kg *Advertised as 6550 pounds, the tractor was only able to lift 5504 during testing./7281lbs / 3302kg *With optional assist cylinder. Advertised as 8470 pounds, but actual tested lift was 7281 pounds |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic |
| Rear RPM | 540/1000 (1.375) |
JOHN DEERE 4455 TIRES
The John Deere 4455 tractor's 2WD configuration provides stability and agility for light to moderate tasks on flat terrain, featuring standard agricultural tires that optimize traction. In contrast, the 4WD option enhances power distribution and traction on uneven or slippery surfaces, particularly useful for heavy tillage or off-road applications. When selecting between these configurations, consider soil conditions and intended use; 2WD is more fuel-efficient, while 4WD offers superior performance in challenging environments.
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4-38 |
| 4WD Standard tires (ag) | Front: 14.9-26. Rear: 18.4-38 |
DIMENSIONS
| 2WD Wheelbase | 106.7inches / 271cm |
| 4WD Wheelbase | 105.3inches / 267cm |
| Length | 158.6inches / 402cm |
| Width | 109inches / 276cm *Minimum width with standard axle |
| Height (steering wheel) | 92.8inches / 235cm |
| Height (cab) | 116.5inches / 295cm |
| Shipping weight | 14,145lbs / 6416kg |
| Operating weight | 15,275lbs / 6928kg (4WD Powershift) |
| Rear axle | Rack-and-pinion: 3.625 by 119inches / 92by 3022mm |
| Front tread | 60.5 to 88inches / 153to 223cm |
| Rear tread | 62 to 116inches / 157to 294cm |
DIMENSIONS & TIRES
The John Deere 4455 tractor features a robust 2WD and 4WD configuration with wheelbases of 106.7 inches and 105.3 inches respectively, providing stability and handling for various agricultural tasks. Weighing between 14,145 and 15,275 pounds, its substantial mass contributes to traction but can pose limitations on softer terrains. The rear tire size of 18.4-38 enhances load-carrying capability, making it well-suited for heavy-duty plowing and field operations, while the front tire size of 10.00-16 may impact steering precision in tighter spaces.
| 2WD Wheelbase | 106.7inches / 271cm |
| 4WD Wheelbase | 105.3inches / 267cm |
| Weight | 14145 to 15275 pounds |
| Front tire | 10.00-16 |
| 2WD Rear tire | 18.4-38 |
JOHN DEERE 158 LOADER
| Description | For use on tractors with two-wheel drive |
| Loader weight | 1771lbs / 803kg |
| Height (to pin) | 156inches / 396cm |
| Clearance, dumped bucket | 127inches / 322cm |
| Dump reach | 28inches / 71cm |
| Clearance, level bucket | 149inches / 378cm |
| Rollback angle | 14° |
| Breakout force (lift) | 5300lbs / 2404kg |
| Lift to full height (at pin) | 4160lbs / 1886kg |
| Bucket capacity | 0.5cu yd / 0.4 cu m / 0.6cu yd / 0.5cu m / 0.8cu yd / 0.6cu m/ 0.9cu yd / 0.7cu m |
| Bucket width | 60inches / 152cm 72inches / 182cm 84inches / 213cm 96inches / 243cm |
JOHN DEERE 265 LOADER
| Description | For use on tractors with two-wheel drive |
| Loader weight | 2619lbs / 1187kg |
| Height (to pin) | 157inches / 398cm |
| Clearance, dumped bucket | 123inches / 312cm |
| Dump reach | 25.6inches / 65cm |
| Clearance, level bucket | 150inches / 381cm |
| Rollback angle | 43° |
| Breakout force (lift) | 5730lbs / 2599kg |
| Lift to full height (at pin) | 3920lbs / 1778kg |
| Bucket width | 61inches / 154cm 73inches / 185cm 85inches / 215cm 97inches / 246cm |
JOHN DEERE 280 LOADER
| Description | For use on tractors with four-wheel drive |
| Loader weight | 2795lbs / 1267kg |
| Height (to pin) | 178inches / 452cm |
| Clearance, dumped bucket | 152inches / 386cm |
| Dump reach | 26inches / 66cm |
| Clearance, level bucket | 173inches / 439cm |
| Rollback angle | 41° |
| Breakout force (lift) | 6220lbs / 2821kg |
| Lift to full height (at pin) | 4580lbs / 2077kg |
| Bucket width | 85inches / 215cm 97inches / 246cm |
JOHN DEERE 840 LOADER
| Clearance, dumped bucket | 149inches / 378cm |
| Dump angle | 60° |
| Rollback angle | 40° |
| Bucket width | 96.5inches / 245cm |
4455 SERIAL NUMBERS
| Location | Serial number plate on the rear of the 4455, above the PTO shaft |
| 1989 | 1001 |
| 1990 | 5001 |
| 1991 | 10001 |
| 1992 | 20001 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 120 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |