Classes
Mid-Michigan Mini Tractor Pulling Association Quarter Scale Tractor Pulling Classes
Classes and Weight Limits
Updates for 2025:
- Beginner Garden Tractor: In the spirit of getting as many kids into tractor pulling, we've removed the horsepower restriction BUT track officials will use discretion on a case-by-case basis to ensure the safety of beginner pullers. Tractors competing in this class must have a working engine governor and will be limited to 4,000rpm.
- 13hp Garden Tractor: Divided into 2 classes.
- 13hp Garden Tractor Limited: limited to 4,000rpm and must have a working engine governor. Must be atleast 4 years old or older.
- 13hp Garden Tractor Open RPM: does not require a working engine governor but must have steel flywheel (no cast flywheels). Must be atleast 8 years old or older.
- 20hp Garden Tractor: Divided into 2 classes.
- 20hp Garden Tractor Limited: limited to 4,000rpm and must have a working engine governor. Must be atleast 4 years old or older.
- 25hp Garden Tractor Open RPM: does not require a working engine governor but must have steel flywheel (no cast flywheels). Must be atleast 8 years old or older.
- 1200cc Ultra-lite: The previous 1500cc ultra-lite class is now limited to 1200cc. Any ultra-lites above 1200cc will pull in the new 4cyl Unlimited 1450lb class.
- 4cyl Unlimited: New class to accomodate any 4cyl tractor including (but not limited to) automotive and marine engines, Hayabusa's, etc.
View the updated 2025 MMMTPA Quarter Scale Pulling Rule Book.
Garden Tractor Classes
| Beginner Garden Tractor (26" tire) | 900 lbs. |
| 13hp Garden Tractor Limited (26" tire) | 1100 lbs. |
| 13hp Garden Tractor Open RPM (26" tire) | 1100 lbs. |
| 20hp Garden Tractor Limited (26" tire) | 1200 lbs. |
| 25hp Garden Tractor Open RPM (26" tire) | 1200 lbs. |
| 16hp Stock Altered (26" tire) | 1050 lbs. |
| 50ci Super Stock (26" tire) | 1050 lbs. |
| Diesel Stock (26" tire) | 1250 lbs. |
| Diesel Turbo (26" tire) | 1250 lbs. |
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Electric Garden Tractor |
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| Will run in an equivalent horsepower class at the same weight | |
Ultra-Lite Classes
| 250cc Kids | 900 lbs. |
| 580cc (26" tire) | 1200 lbs. |
| 820cc (26" tire) | 1300 lbs. |
| 1200cc (26" tire) | 1350 lbs. |
| 2400cc Multi-Motor (31" tire) | 1900 lbs. |
Open/Zinger Classes
| 4cyl Unlimited 1450lb (31" tire) | 1450 lbs. |
v8 Classes
| v8 Small Block - Limited (360ci, 31" tire) | 1950 lbs. |
| v8 Small Block - Small Tire (436ci, 31" tire) | 1950 lbs. |
| v8 Small Block - Big Tire (436ci, 18.4"-16.1" tire) | 2000 lbs. |
Outlaw Classes
| Outlaw Garden Tractor (26" tire) | 1200 lbs. |
| Outlaw Diesel (26" tire) | 1250 lbs. |
| Outlaw Ultra-Lite (31" tire) | 1300 lbs. |
| Outlaw 4cyl Unlimited (31" tire) | 1450 lbs. |
| Outlaw Multi-Motor & v8 (up to 436ci, 18.4"-16.1" tire) | 1950 lbs. |
