HAMAC FD40‑RT rough terrain forklift is a heavy‑duty 4 ton 4×4 diesel forklift built for outdoor sites where materials are dense and ground conditions are rough. Its reinforced chassis, wide‑view mast and deep‑tread pneumatic tyres allow operators to handle steel bundles, concrete products, timber packs and bulk bags up to 4,000 kg on mud, gravel and soft soil without sacrificing stability.sinoliftforklift+3
Compared with smaller 3–3.5T models, the FD40‑RT 4 ton rough terrain forklift offers extra lifting capacity and stronger frames for heavier industrial and construction loads. It is widely used by building contractors, lumber and timber operations, mining sites and industrial plants that require one reliable 4×4 diesel forklift to unload trucks, move materials around large outdoor yards and feed production or construction areas all day.
A rough terrain forklift is engineered specifically for outdoor use on uneven, muddy or soft surfaces, working reliably where standard warehouse trucks cannot operate safely.
Large, heavily treaded pneumatic tyres and increased ground clearance allow the machine to climb over ruts, rocks and debris while maintaining traction and stability on gravel, mud and grass.
Rough terrain forklifts usually feature high‑power diesel engines that deliver strong torque for climbing and pulling on rough surfaces, with long operating hours and no need for frequent charging.
Many models offer true 4WD or switchable 2WD/4WD systems, giving operators the flexibility to balance fuel economy and maximum traction depending on whether they are on firm yards or very soft ground.
Reinforced chassis, wide wheelbases and heavy‑duty suspension systems help rough terrain forklifts stay stable under heavy loads on sloping and uneven terrain, reducing the risk of tipping.
Thanks to their go‑anywhere design, rough terrain forklifts are indispensable in construction sites, farms, timber and stone yards, mining and even disaster‑relief operations, handling materials efficiently across multiple outdoor environments.
| Weight and dimensions | Max. capacity | 2500 kg |
| Max. lifting height | 6.00 m | |
| Max. outreach | 2.16 m | |
| Weight and dimensions | Overall length to carriage | 4.00 m |
| Length to face of forks | 5.22 m | |
| Min transport size | 3.86 m | |
| Overall width | 2.02 m | |
| Track width | 1.70 m | |
| Overall height | 2.05 m | |
| Wheelbase | 2.80 m | |
| Ground clearance | 0.23 m | |
| Overall cab width | 0.82 m | |
| Tilt-up angle | 10 ° | |
| Tilt-down angle | 100 ° | |
| External turning radius (over tyres) | 4.50 m | |
| Unladen weight (with fork) | 5800 kg | |
| Tires type | Pneumatic | |
| Standard tires | 12-16.5 | |
| Forks length/ width/ section | 1220 mm × 122mm / 50 mm | |
| Performances | Lifting | 17 s |
| Lowering | 11 s | |
| Extension | 11 s | |
| Retraction | 6.5 s | |
| Crowd | 3.1 s | |
| Dump | 3.0 s | |
| Engine | Engine brand | Yunnei |
| Engine norm | National II | |
| Max. fuel sulphur content | 5000 ppm | |
| Engine model | YN27GBZ | |
| Number of cylinders / Capacity of cylinders | 4 - 4400 cm³ | |
| LC. Engine power rating - Power | 70.7 Hp / 58 kW | |
| Max. torque / Engine rotation | 181 Nm @ 2240 rpm | |
| Drawbar pull (Laden) | 4200 daN | |
| Capacities | Transmission type | Torque converter |
| Number of gears (forward / reverse) | 2 / 2 | |
| Max. travel speed | 35 km/h | |
| Parking brake | Automatic air-cut brake | |
| Service brake | immersed multi-discs braking on front & rear axles | |
| Hydraulics | Hydraulic pump type | Gear pump |
| Hydraulic flow | 85 L/min - 220 bar | |
| Tank capacities | Engine oil | 5.5L |
| Hydraulic oil | 710L | |
| Fuel tank | 80L | |
| Noise and vibration | Noise at driving position (LpA) | 76 dB |
| Noise to environment (LwA) | 105 dB | |
| Vibration on hands / arms | < 2.50 m/s² | |
| Miscellaneous | Steering wheels (front / rear) | 2 / 2 |
| Drive wheels (front / rear) | 2 / 2 | |
| Safety cab homologation | FOPS level 2 cab |
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