When Zhongtong developed the Zhongtong 37 Seats Diesel Used Bus, they didn't just look at specs; they focused squarely on the three things that actually keep transport bosses awake at night: reliability, carrying capacity, and ease of maintenance. This bus doesn't try to impress you with unnecessary, flashy gadgets. Instead, it earns its reputation through rock-solid craftsmanship and balanced performance that stands the test of time.
Let’s talk about what’s under the floor. The Weichai WP10.336 engine is what we call a 'sweet spot' in the market—it’s the perfect displacement for the job. With 336 horsepower on tap, it provides a generous power reserve for a 12-meter coach, meaning it handles highway cruising just as easily as it climbs mountain passes. But here is the real advantage: the massive popularity of this engine means parts are everywhere and cheap. That convenience is the secret to high fleet availability. Coupled with a chassis that features independent front suspension and four rear airbags, the bus stays planted and stable even when fully packed, soaking up road bumps to keep passengers comfortable.
| serial number | HL00074 |
| VIN | LZYTATE64C1062416 |
| Vehicle Model | ZK6122HQB9 |
| vehicle manufacturers | Zhengzhou Yutong Bus Co., Ltd. |
| Length, width and height | 11990 × 2550 × 3700-3800 mm |
| Number of seats | 53 Seats |
| Power type | Diesel |
| Engine Model | Yuchai YC6L330-60 |
| Engine power | 243-250 kW (330-340 HP) |
| Suspension system | air suspension |
| Passenger door configuration | Front and center dual pneumatic outward-swing doors |
| Body interior | optional high-density fabric |
| Air conditioning cooling capacity | 42,000 kcal/h |
| heating system | Independent hot-water heating system |
| Full vehicle glass | full-depth tinted single-layer tempered safety glass |
| Seating configuration | High-back adjustable passenger seats |
| Luggage compartment: | bilateral upward-opening hatches |
| Electrical system: | CAN bus digital dashboard, travel recorder, reversing camera system, audio-video system |



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