The KTA1 electric truck is a rigid dump truck built for the harsh, grade-heavy world of Nigerian granite quarries, where payload, climb ability, and cycle time decide whether a fleet makes money. In a quarry near Abuja or the Jos plateau, a truck might run 200 short hauls a day on a 2 to 5 kilometer loop with a steep grade at each end. That duty is brutal on diesel and ideal for electrification. This review covers payload, gradeability, cycle-time data, and operating cost versus diesel for the KTA1 EV truck in Nigerian quarry service.
A quarry loop is a closed, predictable circuit. The truck loads at the face, climbs a grade to the crusher, dumps, and descends to load again, all within a few kilometers of a charging point. There is no public-road range risk and no charging anxiety, because the depot charger sits at the loop. The KTA1's sealed LvKong motor also shrugs off the silica dust that clogs a diesel's air intake, cutting filter costs dramatically. For spec comparison, the KTA1 electric dump truck page carries the full geometry and grade data.
Nigeria's diesel price and forex exposure make the energy case urgent for quarry owners. Our Nigeria electric truck market guide explains import duties, licensing, and the spare-parts pathways that keep a fleet running.
The table lists production data for the standard rigid dump variant from Shaanxi Fenghan Trading Co., Ltd.
| Parameter | KTA1 Value | Note |
|---|---|---|
| Payload | 20,000 kg | granite rated |
| Battery capacity | 450 kWh | CATL LFP |
| Motor power | 510 kW | LvKong drive |
| Gradeability | 30 percent | loaded on grade |
| Range per charge | 160 to 200 km | quarry shuttle |
| Cycle time | 12 to 15 min | load to dump to load |
| DC fast charge | 240 kW | 20 to 80 percent in 75 min |
| Warranty | 8 years / 4,500 cycles | battery pack |
| FOB price | $120,000 to $165,000 | depending on spec |
The KTA1 carries a 20,000 kilogram payload and climbs a 30 percent grade while loaded, which covers the steepest ramps found on Nigerian granite benches. Cycle time on a typical 3 kilometer loop runs 12 to 15 minutes including load, climb, dump, and descent, so a single truck can complete 40 to 50 cycles per productive shift. Because the descent regenerates energy, the net battery draw per cycle is far lower than the climb alone would suggest.
Operators report that regenerative braking on the loaded descent recovers 10 to 15 percent of the climb energy, extending real-world range to 160 to 200 kilometers per charge even on grade-heavy loops. That is enough for a full shift without mid-shift charging, and the 450 kWh pack still leaves margin for auxiliary loads like the hydraulic tailgate.
The KTA1 returns to the quarry workshop every shift, so a 240 kW DC charger at the depot restores 20 to 80 percent in about 75 minutes during the lunch break and overnight. Quarries running two shifts can add a second charger to keep six or eight dump trucks in rotation. Battery swap is not needed because the truck never leaves the quarry radius.
A diesel dump of similar payload burns roughly 30 liters per hour of quarry duty, about $24 at Nigerian diesel prices, while the KTA1 draws about $5 of electricity per hour at an industrial rate of $0.12 per kWh. Over a 3,000-hour annual duty that is roughly $57,000 saved on energy alone. The sealed LvKong motor also removes air-filter changes, which on a dusty bench can be a weekly cost on a diesel unit, plus oil changes and injector service.
The FOB premium of $120,000 to $165,000 versus a diesel tipper is recovered through these savings inside roughly two to three years for a busy quarry, after which the KTA1 runs at a clear per-ton cost advantage for the rest of its life. The 8-year or 4,500-cycle battery warranty covers essentially the whole payback window.
Shaanxi Fenghan Trading Co., Ltd. supplies the KTA1 with reinforced tipping gear, dust-sealed drivetrain housing, and a West Africa parts buffer. Start with the Nigeria market guide for import and duty detail, then confirm options on the KTA1 electric dump truck page.
The KTA1 is built with a high-voltage isolation monitor, automatic pack disconnect on impact, and a dust-sealed drivetrain housing that protects the LvKong motor from the silica grit that destroys a diesel's air intake on a granite bench. Shaanxi Fenghan Trading Co., Ltd. delivers a two-day quarry course for operators and workshop staff covering grade descent technique, hydraulic tailgate operation, and high-voltage shutdown. Quarries that train crews recover 10 to 15 percent more energy on the loaded descent because operators learn to feather the throttle and maximize regen.
Operator safety is a core gain. The electric drivetrain removes diesel exhaust from the pit, where poor ventilation makes a conventional tipper's fumes a chronic hazard. The low, predictable electric torque also reduces load shift on steep ramps, lowering tip-over risk during the climb-and-dump cycle that defines quarry work. Crews report less fatigue on the relentless short loops because single-pedal driving cuts the constant gear and clutch effort of a diesel unit.
Service is designed for remote sites. The Fenghan West Africa buffer stocks tailgate seals, brake sets, and drivetrain covers for the first year, and the only scheduled powertrain service is coolant, brake fluid, and the annual battery health check. The 8-year or 4,500-cycle battery warranty covers the full typical quarry asset life, so owners can model a complete duty cycle without budgeting for pack replacement, which simplifies the capital approval for a first electric dump order.
Telematics on the KTA1 records cycles per charge, grade performance, and energy per ton, giving quarry managers the data to right-size fleet size and defend the electrification case to head office. That evidence also supports the carbon-reporting requirements increasingly written into mining and aggregate supply contracts.
Nigerian quarry owners typically take delivery 45 to 60 days after order, with Fenghan pre-staging tailgate seals and drivetrain covers for the first year. The KTA1's roughly $57,000 annual energy saving recovers the FOB premium within about two to three years of busy haulage, after which the per-ton cost advantage compounds across the fleet. The 8-year or 4,500-cycle battery warranty covers the full asset life, so owners can model a complete duty cycle without budgeting for mid-life pack replacement, which simplifies capital approval for a first electric dump order.
For Nigerian quarry owners fighting diesel cost and dust, the KTA1 electric truck is one of the strongest electrification business cases in the region.
Ready to electrify your fleet? Contact Shaanxi Fenghan Trading — authorized Dongfeng EV truck exporter. WhatsApp: +86 153 1943 1311 | Email: sales@fenghan-trade.com | dongfengevtrucks.com
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