The QT15/20 Series electric pallet trucks are engineered for efficiency and reliability in demanding material handling environments. With rated load capacities of 1500 kg (QT15) and 2000 kg (QT20), a 600 mm load center distance, and a compact 1353 mm turning radius, these trucks deliver exceptional maneuverability in narrow aisles and tight spaces【2†L5-L8】【2†L44-L46】. Intelligent features include smart power-saving sleep mode, low-voltage protection that automatically shuts down power when battery levels drop below 10% to extend battery life, and a quick-swap battery system for minimal downtime【1†L2-L7】. The patented curved fork design enhances load-bearing strength and structural integrity【3†L9-L10】.
The QT15/20 Series stands out with its combination of smart technology and rugged construction. The intelligent sleep function automatically powers down the unit if left idle after use, preventing unnecessary battery drain【1†L3-L4】. Low-voltage protection slows travel speed at approximately 10% remaining capacity, alerting operators to recharge while protecting the battery from deep discharge damage【1†L4-L5】. The quick-change battery system allows users to unplug a single cable and lift out the battery pack within seconds, supporting both direct charging and external charging options for continuous workflow【1†L7】. The arc-shaped fork profile, a patented design, provides enhanced load capacity and durability under heavy use【3†L9-L10】.
Both models feature polyurethane wheels (160×55 front, dual 80×70 rear), a minimum ground clearance of 30 mm at the wheelbase center, and a lift height of 115 mm【2†L28-L30】【2†L31】. The QT15 achieves travel speeds of 4.0 km/h (loaded) and 5.0 km/h (unloaded), while the QT20 reaches 4.5 km/h and 5.2 km/h respectively【2†L50】. Lift speeds are 15 mm/s (loaded) and 22 mm/s (unloaded) for both models, with controlled descent speeds of 50 mm/s (loaded) and 46 mm/s (unloaded)【2†L51-L52】. Gradeability reaches 6% loaded and 20% unloaded【2†L53】. The drive motor delivers 0.85 kW (QT15) or 1.0 kW (QT20), paired with a 0.5 kW lift motor【2†L54-L55】. Battery options include 48V/10Ah (QT15) and 48V/15Ah (QT20) with a weight of 4.55 kg and 5.7 kg respectively【2†L56-L57】. Sound pressure level at the operator's ear remains below 70 dB(A) for both models【2†L58】.
Overall length is 1552 mm, with an overall width of 550 mm (QT15) or 685 mm (QT20)【2†L35-L36】【2†L39】. Fork dimensions are 55 mm thick × 160 mm wide × 1150 mm long, with outer fork spacing matching the overall width【2†L37-L38】. The minimum fork height is 85 mm, and tiller height adjusts between 820 mm and 1150 mm【2†L33-L34】. Aisle widths for直角堆垛 are 1718 mm (1000×1200 pallet, 1000 across forks) and 1687 mm (800×1200 pallet, 1200 across forks)【2†L47-L49】.
| Parameter | QT15 | QT20 |
| Rated Load (Q) | 1500 kg | 2000 kg |
| Load Center Distance (C) | 600 mm | 600 mm |
| Wheelbase (y) | 1197 mm | 1197 mm |
| Front/Rear Axle Load (Loaded) | 114.5 kg | 117 kg |
| Tire Type (Front / Rear) | Polyurethane / Polyurethane | Polyurethane / Polyurethane |
| Front Tire Size | 160×55 mm | 160×55 mm |
| Rear Tire Size (Dual) | 80×70 mm | 80×70 mm |
| Rear Track (b10) | 390 mm | 390 mm |
| Lift Height (h3) | 115 mm | 115 mm |
| Min. Fork Height (h13) | 85 mm | 85 mm |
| Overall Length (l1) | 1552 mm | 1552 mm |
| Overall Width (b1) | 550 mm | 685 mm |
| Fork Size (s/e/l) | 55/160/1150 mm | 55/160/1150 mm |
| Outer Fork Spacing (b5) | 550 mm | 685 mm |
| Min. Ground Clearance (m2) | 30 mm | 30 mm |
| Turning Radius (Wa) | 1353 mm | 1353 mm |
| Travel Speed (Loaded/Unloaded) | 4.0 / 5.0 km/h | 4.5 / 5.2 km/h |
| Lift Speed (Loaded/Unloaded) | 15 / 22 mm/s | 15 / 22 mm/s |
| Lowering Speed (Loaded/Unloaded) | 50 / 46 mm/s | 50 / 46 mm/s |
| Gradeability (Loaded/Unloaded) | 6 / 20% | 6 / 20% |
| Drive Motor Power (S2 60min) | 0.85 kW | 1.0 kW |
| Lift Motor Power (S3 7.5%) | 0.5 kW | 0.5 kW |
| Battery Voltage / Capacity (K5) | 48V / 10Ah | 48V / 15Ah |
| Battery Weight | 4.55 kg | 5.7 kg |
| Sound Pressure Level | < 70> | < 70> |
| Charger Output | 3 A | 5 A |
The QT15/20 Series prioritizes operator convenience and workplace safety. The low-voltage protection system ensures batteries are safeguarded against over-discharge, significantly extending service life【1†L4-L5】. The smart sleep mode eliminates energy waste from accidental power-on, a common issue in busy warehouses【1†L3-L4】. The quick-swap battery design allows for hot-swapping in seconds, keeping operations running with minimal interruption【1†L7】. With a compact turning radius of just 1353 mm and直角堆垛 aisle requirements as narrow as 1687 mm, these trucks excel in space-constrained facilities【2†L46-L49】. The patented curved fork profile not only improves load distribution but also enhances overall structural rigidity for long-term reliability【3†L9-L10】.
Whether navigating narrow warehouse aisles, loading docks, or inclined ramps, the QT15/20 Series delivers consistent performance. The 6% gradeability under full load ensures stable operation on sloped surfaces, while the 20% unloaded gradeability provides flexibility in yard operations【2†L53】. Polyurethane wheels offer excellent floor protection and low rolling resistance, reducing operator fatigue during extended use【2†L24-L25】. The adjustable tiller height (820–1150 mm) accommodates operators of varying statures, promoting ergonomic handling【2†L33-L34】. With sound levels below 70 dB(A), these trucks contribute to a quieter, more comfortable working environment【2†L58】.
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