Pro-level 600cc sleds in near-stock form, emphasizing rider skill with minimal modifications.
600cc sleds with moderate performance upgrades beyond factory stock, tuned for increased climbing performance.
Highly modified 600cc race sleds built for maximum power, traction, and aggressive hillclimb runs.
700cc factory-based sleds maintained within strict stock guidelines.
700cc sleds with allowed engine and chassis upgrades for improved torque and drive.
Fully built 700cc Mod-class machines pushing high horsepower and advanced tuning.
Big-bore 900cc sleds running within stock-focused restrictions, demanding precise control.
900cc sleds with performance enhancements for stronger uphill power delivery.
Heavily modified 900cc sleds engineered for maximum speed and hillclimb performance.
The largest stock displacement category, featuring factory-based 1000cc mountain sleds.
1000cc machines with authorized modifications to boost power and climbing capability.
Stock-formatted builds running in an open-displacement structure under stock rules.