The 4 TON 4WD Rough Terrain Forklift is a heavy-duty material handling solution designed for demanding outdoor operations. With a 4,000 kg rated lifting capacity, powerful diesel engine, reinforced chassis, and reliable 4WD system, it delivers strong traction, stable lifting performance, and excellent gradeability on muddy, gravel, and uneven terrain. Ideal for construction sites, quarries, farms, timber yards, and infrastructure projects, this rough terrain forklift combines durability, operational efficiency, and dependable performance. OEM/ODM customization, fast delivery from available stock, and 24/7 customer support are available to meet diverse operational requirements.
Product Features
1. Medium and Large Construction Sites
Ideal for heavy-duty handling of steel structures, precast concrete and bulk building materials on muddy, rugged and sloped job sites.
2. Quarry and Stone Yard Operations
Perfect for lifting and transporting heavy stone slabs and rock materials. The upgraded load design adapts to long-time heavy-cycle quarry work.
3. Large-Scale Farm and Ranch Work
Handles heavy hay bales, bulk fertilizers and large farm equipment on unpaved farmland and rough rural roads.
4. Timber Yard and Forestry Logistics
Stably loads and stacks heavy log bundles on uneven woodland terrain, suitable for large-volume timber transportation tasks.
5. Infrastructure & Outdoor Stockyard
Serves road construction, water conservancy projects and unpaved outdoor yards for heavy cargo turnover and equipment transfer.
Product Parameter
| ITEM | UNIT | DK40 |
|---|---|---|
| Power Type | Diesel | |
| Rated Capacity | kg | 4000 |
| Load Center Distance | mm | 500 |
| Drive Type | 4WD | |
| Dimension Parameter | ||
| Standard Lift Height | mm | 3000 |
| Fork Size(L*W*H) | mm | 1220×125×50 |
| Mast inclination angle (F/R) | Deg | 6\12 |
| Overall Length (without fork) | 3370 | |
| Overall Width | mm | 1860 |
| Mast Height | mm | 2375 |
| Head Guard Height | mm | 2450 |
| Ground Clearance | mm | 310 |
| Maximum Turning Radius | mm | 3980 |
| Wheelbase | mm | 1850 |
| Front wheel tread | mm | 1570 |
| Rear wheel tread | mm | 1400 |
| Self Weight | kg | 6200 |
| Performance Parameter | ||
| Travel Speed | Km\h | 30 |
| Lifting Speed | mm\s | 400 |
| Lowering Speed | mm\s | 420 |
| Maximum Gradeability | % | ≥35 |
| Tire | ||
| Front Tire | 16/70-20 | |
| Rear Tire | 10-16.5 | |
| Engine and Gearbox | ||
| Battery | V\Ah | 12/60 |
| Engine Manufacturer | YunNei | |
| Engine Model | YN4EZ070-32 | |
| Rated Power/RPM | kw | 60/2400 |
| Fuel Tank Capacity | L | 100 |
| Gearbox Model | 265 | |
| Transmission Type | Hydrodynamic | |
| Optional engines | Cummins 4BTA3.9-C80 60KW | |
why choose 3.5ton4wd rough terrain forklift
1. Enhanced 4-Ton Heavy-Duty Lifting Performance
Upgraded 4-ton maximum load capacity delivers stronger heavy-load handling than 3.5-ton models. It stably lifts heavy stone, steel and construction materials, ideal for high-capacity outdoor working scenarios.
2. Reinforced 4WD Off-Road Powertrain
High-torque diesel engine and reinforced transmission provide steady power output under full load. The reliable 4WD system ensures strong climbing and obstacle-crossing performance on muddy, gravel and rugged terrain.
3. Deformation-Resistant Heavy-Duty Structure
Thickened steel chassis and reinforced mast improve overall rigidity. It withstands frequent 4-ton cyclic heavy loads, reducing wear and extending the service life of the off-road forklift.
4. Smart Load-Sensing Hydraulic & Safety System
Advanced load-sensing hydraulics with overload protection ensure smooth, jitter-free lifting and steering. It lowers failure rates and provides safe, precise operation on quarries and construction sites.
Professional Shipping & Packaging
We offer comprehensive shipping and packaging services to ensure every piece of equipment is securely packed, well-protected, and delivered on time.
FAQ
1. What is the lead time for production and delivery?
Standard 4-ton 4WD rough terrain forklifts are available from stock, with delivery typically arranged within 7–15 working days. Customized models generally require 20–30 working days for production. Shipment is organized promptly after order confirmation to help ensure timely delivery.
2. Can the 4WD rough terrain forklift be customized?
Yes. We offer flexible OEM and ODM customization options, including mast height, lifting capacity, cab configuration, exterior color, and functional attachments such as side shifters, bale clamps, and fork positioners. These options help tailor the forklift to different operating requirements.
3. What warranty and after-sales services do you provide?
Each forklift comes with a standard 12-month warranty and ongoing technical support. Additional after-sales assistance is available for key components, including the engine and hydraulic system. Replacement parts are provided free of charge for faults confirmed to result from quality issues within the warranty period, subject to warranty terms.
4. Do you provide technical support for overseas customers?
Yes. We provide 24/7 online technical assistance to overseas customers, covering operating instructions, troubleshooting, and routine maintenance guidance. We also offer spare parts support and international delivery services to help minimize equipment downtime.
5. Can the forklift operate in different environments and on challenging terrain?
Yes. The 4WD rough terrain forklift is designed for demanding outdoor applications, including muddy ground, gravel surfaces, and sloping terrain. Engine emission standards and equipment configurations can also be adjusted to meet specific market requirements and local operating conditions.
