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What Are The Specifications Of H400-450XD Forklift Series?
The H400-450XD forklift series comprises heavy-duty internal combustion models with 4,000–4,500 kg load capacities, powered by robust diesel/LPG engines (e.g., Kubota V3800) generating 55–75 HP. Key specs include 3-stage mast heights (5–6m), hydrostatic transmission, and ergonomic ROPS/FOPS cabins. Optimal for ports and lumber yards, their reinforced chassis and 100–120 kN lift forces handle 1,200–1,800 mm load centers. Pro Tip: Maintain axle oil changes every 500 hours to prevent joint wear.
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What engines power the H400-450XD series?
The series uses Kubota V3800-Tier 4 diesel or LPG engines with direct injection, delivering 55–75 HP and 290–320 Nm torque. Turbocharged variants achieve 18% higher torque at 1,800 RPM for inclined loads. Pro Tip: Diesel models reduce operational costs by 22% compared to LPG in high-usage environments.
Hyundai’s H400-450XD engines integrate liquid-cooled systems to sustain 10-hour shifts in tropical climates. The V3800’s common rail injection minimizes fuel waste, achieving 4.8 L/hr consumption under 80% load. For instance, the H450XD’s 3.8L displacement engine can haul 4.5 tonnes up a 15% gradient without overheating. Transitioning to maintenance, neglecting air filter replacements risks 12% power loss from dust ingestion. A gravel quarry operator reported 30% fewer downtime incidents after switching to synthetic engine oil.
| Model | Engine Type | Max Torque |
|---|---|---|
| H400XD | Diesel | 310 Nm |
| H450XD-LPG | LPG | 290 Nm |
How do load capacities vary across the series?
The 4,000–4,500 kg range adapts to standard ISO containers and steel coils. Higher-capacity models feature dual front tires for 15% better lateral stability.
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Load capacities depend on fork positioning and center distance—shifting loads beyond 1,200 mm reduces capacity by 18%. For example, the H430XD lifts 4,300 kg at 600 mm but only 3,200 kg at 1,800 mm. Practically speaking, always verify load center markings before operation. Transitional structures like telescopic forks allow handling 3,000 kg pallets at 7m height. Why risk imbalance? Counterbalance weights (1.2–1.8 tonnes) are calibrated to prevent tip-overs during 10° tilts.
What hydraulic systems optimize performance?
The 3-stage monomast achieves 6m lift in 35 seconds, with 140 L/min piston pumps. Dual-circuit valves prevent drift during precision stacking.
Hyundai’s closed-center hydraulic system routes unused flow back to the tank, cutting energy waste by 27% compared to open-center designs. For example, simultaneous lifting/tilting operates at 220 bar without pump strain. Beyond speed, the H420XD’s variable displacement pump adjusts flow based on load—a pallet weighing 3.8 tonnes triggers 90% pump output. Neglecting hydraulic fluid purity? Contamination causes 40% of valve failures. A Brazilian warehouse doubled component lifespan after adopting 10-micron filtration.
| Feature | H400XD | H450XD |
|---|---|---|
| Lift Speed | 550 mm/s | 520 mm/s |
| Tilt Angle | 8°/12° | 10°/15° |
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FAQs
Yes, but only with Arctic-grade hydraulics (optional) and synthetic oils. Standard models risk pump cavitation below -15°C.
What’s the turning radius?
2,450–2,800 mm, varying with tire type. Cushion tires reduce radius by 12% on smooth surfaces.
Are LED lights standard?
Only on premium variants. Base models use 55W halogens—upgrade to 100W LED for 70% brighter workspaces.
