Description
New Holland 8556 Tractor Specifications
NH 85-56 4WD Specifications
Performance & Weight
| Power at flywheel at 2,500 rpm | 85 HP |
|---|---|
| Operating weight | 2,600 kg |
Engine
| Model | New Holland 8045.05 |
|---|---|
| Cylinders | 4 |
| Bore × stroke | 104 × 115 mm |
| Lubrication | Force-feed system |
| Displacement | 3,908 cc |
| Flyweight type | Dynamic balancer |
| Compression ratio | 17:1 |
| Maximum power | 85 HP |
| Maximum torque at 1,600 rpm | 291 Nm |
| Cylinder liners | Dry type |
| Cooling system | Water cooled; five-row brass tube and copper fin radiator |
| Cooling fan | 8-blade plastic fan mounted on water pump shaft; centrifugal pump water circulation |
| Exhaust | Vertical muffler |
| Air filter | Oil bath with pre-cleaner and semi-automatic dust unloader |
| Oil filter | Easy-to-change, continuous-flow cartridge |
Clutch
| Diameter | 11 inches |
|---|---|
| Lining material | Cerametallic |
| Type | Dual plate, dry, with separate PTO control |
Transmission & 4WD
| Speeds | 8 forward, 2 reverse |
|---|---|
| Gearbox | Constant mesh; synchromesh on 3rd, 4th, 7th and 8th speeds |
| Final drives | Spur gear |
| Starter safety switch | Gearbox mounted |
| 4WD front axle type | Parallel drive |
| 4WD engagement | Mechanical |
| Differential lock | Pedal control |
Steering
| Type | Hydrostatic Power Steering with independent circuit |
|---|
Power Take-Off
| Type | Mechanical |
|---|---|
| Shaft | 6 splines, 35 mm (1⅜ inches) diameter |
| Independent PTO speed | 540 rpm at 2,160 engine rpm |
| High-speed DTO | Same speed as engine |
Hydraulics
| Rear linkage | 3-point linkage, Category II |
|---|---|
| Functions | Position and draft control |
| Pump type | Fiat pump, gear driven |
| Maximum flow | 17 L/min |
| Operating pressure | 200 bar |
| Lift-O-Matic | Auto lift control buttons |
| Lift-O-Matic functions | Position, draft, mixed and float controls; lift lock and sensitivity adjustment |
| Lift capacity at ball ends | 2,650 kg ±5%; lower links horizontal, calculated value |
| Lift capacity with centre of gravity 560 mm away | 1,650 kg ±5%; lower links horizontal, tested value |
| Spool valve provision | 2 double-acting spool valves with couplers |
Brakes
| Service brakes | Oil-immersed multi-disc brakes |
|---|---|
| Parking brake | Manual lever on operator’s right side |
| Service control | Mechanical latched pedal |
| Parking control | Mechanical hand lever |
Tyres & Ballast
| Front tyres | 12.4-24 |
|---|---|
| Rear tyres | 18.4/15-30 |
| Ballast provision | Heavy-duty front support; provision for extra ballast |
Operator Seat & Body
| Seat | Fully upholstered with parallelogram suspension; adjustable position and height to suit operator weight and stature |
|---|---|
| Hood | Single-uplift complete front hood |
| Towing attachment | Height-adjustable rear hook; provision for a front hook |
| Canopy | Sun canopy with heavy-duty frame |
Electrical System
| Starter | 12 V, 3.5 kW (4.7 HP) |
|---|---|
| Alternator | 14 V, 40 A |
| Battery | Maintenance free, 760 CCA |
| Other features | Thermostator (as listed), starter safety switch |
| Mobile charger | Dual port, optional |
Instrument Panel
| Meters and gauges | Separate temperature and fuel gauges, hour meter, engine RPM meter with idler and PTO-RPM indications |
|---|---|
| Warning indicators | Alternator, low engine oil pressure, low coolant level and high beam |
| Optional indicators | 4WD engagement and reserve fuel level |
Lighting System
| Headlights | Low and high beam; adjustable headlights mounted with front grille |
|---|---|
| Other lights | Parking/tail, direction and stop lights |
| Optional lights | Beacon light and nameplate lamp |
Dimensions & Track
| Wheelbase | 2,280 mm |
|---|---|
| Overall length | 3,860 mm |
| Overall width | 1,920 mm |
| Height to top of hood | 1,500 mm |
| Height to steering wheel | 1,695 mm |
| Ground clearance below front axle | 480 mm |
| Front tread — 8 positions | 1,320–2,020 mm |
| Rear tread — 8 positions | 1,200–1,900 mm |
| Minimum turning circle | 7,070 mm |
Capacities
| Fuel tank | 65 L |
|---|---|
| Engine oil | 12 L |
| Hydraulic transmission oil | 27 L |
| Rear axle | 4 L per side (8 L total) |
| Air cleaner | 0.7 L; sheet adds “on both sides” — confirm wording |
| Power steering | 3 L |
| Front axle main housing | 6.5 L |
| Front reduction unit | 0.7 + 0.7 (both sides; unit omitted in sheet) |




