SPECIFICATIONS
& DIMENSIONS
Don't let the size fool you — the Square Box Pony Pup Tri-Axle End Dump is a serious hauling machine built to punch well above its weight class. Designed as the perfect companion unit in a combination haul setup, the Pony Pup seamlessly matches the performance and durability of its lead unit while adding significant payload capacity to every run.
The square box design maximizes usable volume and delivers clean, efficient end dumps cycle after cycle, while the tri-axle configuration ensures superior load distribution, stability, and compliance on any road. Constructed with Arne's renowned heavy-duty craftsmanship throughout, the Square Box Pony Pup is built to handle the same punishing workloads as the big units — run after run, season after season. When you need to haul more without sacrificing maneuverability or reliability, the Pony Pup is exactly the unit your combination needs.
| Overall Height | 9' 5" |
| Overall Length | 42’ 8.5” |
| Axle Spread | 50" |
| Axles | 77-inch track, 25,000 pound capacity per axle, oil seals |
| Tongue Length | From Center of forward axle to center of eye 204” |
| Wall Height | 43" |
| RTAC Compliant | YES |
| Body Capacity | 23.5 cubic yard capacity |
| Hoist | 8-inch, 5 stage, 235 inch stroke, head lift telescoping hydraulic cylinder |
| Suspension | Intraax AA25K air ride, 25,000 pound capacity per suspension |
| Box Front | 4mm AR450, Flat Front |
| Box Sides & Floor | 4mm AR450 Tub Style |
| Tailgate | 4mm AR450 formed one piece, gr 70 transport plated spreader chains |
| Tailgate Latch | Air trip with manual override |
| Wheels | Unimount 10 hole wheels with light weight hubs and drums, 8.25 x 22.5 |
| Tires | BF Goodrich, Cross Control 11Rx22.5 radial tires / Firestone T 819 |
| Ladder | Fabricated steel welded to the box |
| ABS | 2 sensor, 1 module |
| Fenders | Aluminum 1/2 Round |
| Lights | LED |
