Roto-Mix
Model 515 VX Single Auger Vertical Feed Mixer
Model 515 VX Series is a Single Auger Vertical Feed Mixer with a mixing capacity of 515 cu. ft. and it can hold a maximum load with a heavy ration up to 11,400 lbs. This model is available only as a trailer. The low profile and short loading height allows for easy loading with skid steers. A durable modular design with the simplicity of a single auger produces a high quality mix. The discharge can be either right of left hand side with conveyors an option. It is equipped with a low maintenance planetary gearbox and the heavy-duty tubular frame has four-point scale mounts. This feed mixer is for small to medium sized dairy, cow/calf, stocker and heifer operations.
Trailer
Skid Steer Friendly, Low Profile, Modular Design
- Can be equipped for low profile loading height under 100 inches.
- Single auger simplicity with high quality of mix and durable design.
- Modular design flexibility to adapt to your requirements.
- Right or left hand side discharge. Conveyors optional.
- Low maintenance planetary gear box.
- Models range from 315 to 515 cu. ft. capacity.
- Exceptional discharge and clean‑out.
- Heavy duty tubular frame trailer with four-point scale mounts.
For Small To Medium-Sized Dairy, Cow/Calf, Stocker And Heifer Operations.
Most Skid-Steer Loaders Can Easily Load Rations Into The New Roto-Mix VX Series Mixers Because Of Their Low-Profile Design.
This low-center-of-gravity trailer mixer is very stable and can maneuver in tight areas, making it a valuable asset to any small to medium sized operation.


Standard knife.

Optional aggressive knife.

Rotatable tub set for left hand discharge with magnet.

Rotatable tub set for right hand discharge w/optional conveyor.

Conveyors available in optional lengths 24″, 36″ and 48″.

Retention chain option.
Specifications
| Vertical Mixer Features | VX Series Models | |||
|---|---|---|---|---|
| Ref. | Specifications | VX 315 | ||
| Mixing capacity, cu. ft. (m³)* | 315 (8.9) | |||
| Auger screws | single | |||
| Auger flighting style | single | |||
| Discharge | right or left side | |||
| Overall height, in. (cm)† | 100 (254) | |||
| Overall width, in. (cm) | 112 (284.5) | |||
| Shipping width, spout removed, in. (cm) | 107 (272) | |||
| Overall length, in. (cm) | 181 (460) | |||
| Spout height, in. (cm) | 24 (61) | |||
| PTO speed, RPM | 540 | |||
| Trailer recommended PTO horsepower (kw) | 80 (58.8) | |||
| Planetary gearbox | yes | |||
| Empty weight, lbs. (kg) | 7,200 (3265.9) | |||
| Maximum load with a hay ration at 18 lbs./cu. ft. (kg) | 5,700 (2585) | |||
| Maximum load with a heavy ration by weight, lbs. (kg) | 8,100 (3674.1) | |||
| Number of tires | 2 or 4 ( w/duals) | |||
| Tires size Standard, in. | 15.0/55-17 | |||
| Tires size Optional Lo-Pro, in. | 33/15.5-16.5 | |||
| Tires size Optional Dual Wheels, in. | 255/70R-22.5** | |||
| Hubs, standard, lbs. | 8 bolt 8,000 lbs. | |||
| Axles ground clearance, one, in. (cm) | 15 (38) | |||
| C-C | Track to hub centers, in. (cm) | 65 (165.1) | ||
| A | Tub width, bottom, in. (cm) | 89 (226.1) | ||
| AL | Overall length, in. (cm) | 185 (469.9) | ||
| L | Tub length, top, in. (cm) | 128 (325.1) | ||
| W | Tub width, top, in. (cm) | 107 (271.8) | ||
| TW | Overall width, incl. door frame, in. (cm) | 112 (284.5) | ||
| Dimensions w/conveyor, in. (cm) | 24 (61) | 36 (91) | 48 (122) | |
| B | transport width, up position | 122 (310) | 127.5 (324) | 132.5 (337) |
| C | tub to conveyor end, up position | 28 (71) | 33.5 (85) | 39 (99) |
| D | bunk clearance at 30° up | 30.5 (77) | 36.5 (93) | 42.5 (108) |
| E | tub to conveyor end at 30° up | 34 (86) | 44.5 (113) | 55 (140) |
| F | tub to conveyor end, down position | 34 (86) | 46 (117) | 58 (147) |
| G | bulk clearance, down position | 22.5 (57) | 24.5 (62) | 26 (66) |
All dimensions and specifications are approximate and subject to change without notice.
*Extension capacity
**Due to the variance in ratios, trucks equipped with rear engine PTO’s (REPTO) and/or late model trucks with electronic engines may require higher horsepower and/or torque.