SWAMP RUNNER ADVANTAGES
Why SPS Builds the Best Mud Motors Ever Made
History
Songsak Sriprasertying, the founder of SPS and father of the Thai longtail, has made longtails longer than anyone.
Performance
SPS builds the fastest mud motors in the world, and always outperforms the competition.
Value
We price our kits as low as possible while relentlessly pursuing Swamp Runner quality & performance.
Simplicity
Every part on a Swamp Runner has a purpose, fewer things to break, with minimal maintenance.
Durability
Lifetime warranty on coupler housings, coupler shafts, and coupler sleeve joints. Bushings that last.

History
Learn about the history of SPS, who Songsak Sriprasertying was, and how Swamp Runner has progressed throughout the years of Mud Motor History.

Performance
Learn why SPS offers the best performance of any mud motor. The current fastest longtail race boat in Thailand ran a top speed of 119 mph using an SPS drivetrain.

Value
Swamp Runner strives to keep prices as low as possible, while still maintaining a high level of quality and performance. If you want to learn more, check out this Thai longtail comparison chart.

Simplicity
Keeping things simple. SPS longtails are designed to be easily disassembled, repaired, and re-assembled even in the middle of nowhere. Fewer parts, fewer things to break.

Durability
- Lifetime Warranty on coupler housings and coupler shafts
- Flange bushings tested over 1,000 hours with minimal wear
- An option to have a stainless steel inner shaft.