Mining Truck Air Conditioner: Cab Cooling for Haul Trucks in Deep Pits
Quick Answer
A mining truck air conditioner is a heavy-duty HVAC unit engineered for off-highway haul trucks, rigid dump trucks, and water trucks operating in open-pit and underground mines. It is built to survive continuous vibration, 50°C+ ambient heat, and heavy dust while holding cab temperatures at a safe, comfortable level for 12-hour shifts.
Kangbao mining truck air conditioners run on 24V DC with R134A refrigerant, delivering 4–5KW of cooling and heating for large haul truck cabs.

How to Choose the Right Mining Truck Air Conditioner
Pick voltage by truck class. Small utility trucks run 12V, but full-size haul trucks (30–400 ton class) use 24V electrical systems, so most mining truck AC units are 24V by design. Verify alternator output before ordering, since an electric compressor clutch and blower can draw 10–15A at full load.
Match capacity to cab size and depth. Deep-pit ambient temperatures run 5–10°C hotter than surface operations, so oversize rather than undersize:
| Truck Class | Cab Volume | Recommended Capacity |
|---|---|---|
| Utility / water truck | 2.5–3 m³ | 3–4KW |
| Rigid haul truck (30–100t) | 3–4 m³ | 4–5KW |
| Large haul truck (100t+) | 4–5 m³ | 5KW+ with recirculation |
Insist on mining-grade protection. Look for copper-tube condensers with wide fin spacing that resist clogging with ore dust, corrosion-proof coatings for acidic pit water, and vibration-rated compressors. A clogged or corroded condenser is the leading cause of AC failure in haul trucks.

Maintenance Tips for Mining Truck AC
Daily blow-outs of the condenser core, weekly filter checks, and refrigerant pressure verification every 250 hours keep performance stable. Fleets that follow this schedule report 8,000+ hour compressor life even in high-dust pit duty—roughly double neglected units.
FAQ
Can a mining truck air conditioner also provide heat?
Yes. Kangbao units deliver 3–5KW of heating as well as cooling, which matters for high-altitude mines where night-shift cab temperatures drop sharply.
Is one AC unit enough for a large haul truck cab?
For most cabs up to 5 m³, a single 5KW roof-mounted or split-type unit is sufficient. Larger or glass-heavy cabs may benefit from a split type air conditioner with a chassis-mounted condenser for extra capacity.
Kangbao: Mining Truck Air Conditioner Supplier in China
Founded in 2011 in Shandong, China, Kangbao has grown into a reliable partner for global OEMs. Our advanced production facilities and annual capacity of 300,000 units allow us to serve clients of all scales.

Professional laboratory equipment ensures the research and application of products

Trusted Partner for Global OEMs

Global Partnerships and Service
Kangbao has established long-term relationships with leading Mining Truck Air Conditioner OEMs in China and abroad. Our products are exported to markets in Turkey, Russia, South Africa, and beyond.
We support flexible trade terms (FOB, CIF, DDP) and provide reliable after-sales service, ensuring global clients receive consistent quality and support throughout the product lifecycle.

Contact KANGBAO
Kangbao is your reliable partner for Mining Truck Air Conditioner.