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N12 Double Deck Electric Urban Bus

The Zhongtong LCK6126EVGS (N12D) is an 11.99-meter, electric, low-floor double-deck bus manufactured for Singapore with operations beginning in 2025 under Tower Transit. This zero-tailpipe-emission vehicle features an integral bodywork design and is powered by a Dana–Prestolite motor and CATL LFP batteries.

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  • 400 km

    Driving Range

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  • CATL

    Battery Brand

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  • Dana–Prestolite

    Motor Brand

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Technical Parameters

Zhongtong N12D Parameters
Manufacturer
Zhongtong Bus Holding Co., Ltd.
Bodywork
NA (integral)
Operators
Tower Transit
Technical Data
Length
11.990m
Motor
Dana–Prestolite TM4 SUMO MD
Battery
CATL LFP
Accessibility
Low Floor
Emission Standard
Emission Standard	Zero tailpipe emissions
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Features

3-Door, 2-Staircase Efficient Layout
High-Capacity Passenger Configuration
Extended Range & Rapid Charging

3-Door, 2-Staircase Efficient Layout

The bus features a full-low-floor design stretching from the front entrance all the way to a unique third exit door at the very rear. Combined with a secondary rear staircase, upper-deck passengers can walk straight down and exit immediately, vastly speeding up boarding and minimizing peak-hour commuter congestion.

High-Capacity Passenger Configuration

Engineered to maximize urban transit volume, the N12D accommodates up to 122 total passengers simultaneously (comprising 45 seats on the upper deck, 13 seats on the lower deck, and space for standing and dual wheelchair bays). This allows it to carry roughly 50% more commuters than standard 12-meter single-deck buses operating on the same lines.

Extended Range & Rapid Charging

Equipped with a high-density lithium iron phosphate (LFP) battery system, the bus delivers over 400 km of real-world urban driving range on a single charge. It also supports dual-gun DC fast charging, allowing operators to rapidly top up the vehicle during scheduled service breaks.

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