Stump-Jumper 13 HP Mud Motor

NEW 2017  13 Hp Stump-Jumper Mud Motor

     Powered by Predator engine with electric start and recoil backup.

Lightweight mudmotor , Only  101 lbs Dry weight.


Some assembly required
 Engine is prepped and ready for install. 
 Shipping included to the lower 48 states

Harbor Freight tools offers.
Extended Service Protection for 1 yr @ $49.99  and 2 yr. @ $79.99
Customers can purchase, engine replacement plan for the Predator.
Bill’s Engineering, will provide engine receipt to customer. Customer has 90 days from the date on the receipt. To go into any Harbor Freight Tool store and purchase Extended Service Protection plan.
(N/A in AZ & NV)
For details go to

 Stump-Jumper Features

           Drive shaft housing DOM tubing
          Heavy Duty Tubular Frame support Construction ™ 1999 yr
          Ultra-Reliable Direct Drive ™  (the engine takes ZERO thrust unlike competitors)

  • Hollow drive shaft TM 2001 yr., reduces weight by 5 lbs. Stronger then a solid shafts. Hollow driveshafts are used in all rear wheel drive vehicle.
  • Bearing Nut TM. 1999 yr. Part of the lower bearing system.  Does 3 things: 1. Acts as a stop nut for the propeller.    2. Keeps the seals in spec. (propeller are put out of balance when weeds collect on propeller).  3. And prevents driveshaft from bending, when takes an impacted from hitting object in the water  ( frame assembly absorbs impact load from propeller) Takes stress away from drive shaft.
  • Propeller 8×4 15-5 Stainless Steel. Propeller (Hill Marine)
  • Low-Maintenance Sealed Bearing
  • Tiller Handle Multi-Position Patent Pending
  • Quick-Release Transom Mount ™ ( Stump-Jumper can be removed from your boat in seconds)
  • Twist Grip Throttle standard. Finger lever throttle available (Instructions to merchant) when checking out.
  • Safety Lanyard Marine grade
  • 2-Year Warranty on Frame
  • Overall length is  inches (tiller handle in transport position or handle removed)
  • Drive Shaft ″
  • Overall weight is 101 lbs (Engine: 73 lbs; Frame: 28 lbs.)

Predator 13 Hp electric start with pull start backup

This Predator 420cc gasoline engine has gas-saving overhead valves for cooler, cleaner performance and longer life. The horizontal shaft is ball-bearing mounted, making this gas engine an ideal replacement for most standard engine configurations. The powerful gas engine features a durable cast iron cylinder making it the perfect replacement engine for a lawn mower, log-splitter and dozens of other machines.

  • Upgraded engineering and construction for improved lifespan
  • Durable cast iron cylinder withstands wear and abuse
  • User-friendly controls for easy starting and operation
  • Fuel shut off for safe transport
Manufacturer Warranty Detail: We guarantee the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine. We guarantee this product to be free from defects in materials and workmanship for 90 days from the date of purchase. Limitations apply.