Penta TMR Single Auger Mixers

Penta 4030 TMR Mixer

Single Auger Trailer Feed Mixer

Penta's Trailer TMR Mixers are built for the farmer who demands a machine that will endure the rigors of long hours and extreme usage. The best quality feed needs the best quality mix and our mixers are designed, tested, and farm-proven to deliver the best mix on the market.



The largest challenge facing a TMR mixer is the ability to process forages with a variety of supplements such as salts and fine minerals. This process can prove to be time consuming and costly. Our patented Hurricane Auger has been designed to produce better mixes by allowing forages to circulate faster through the mix, resulting in quicker processing and mixing times.

Penta Hurricane Augers are equipped with patented cut outs that allow material to drop through the auger. The falling action complements the regular motion of the ingredients being rotated throughout the tub. This combination of mixing actions has proven effective in producing more consistent mix.


One look at our Hurricane augers and you will see their strength and power. Critical to our auger design is durability. With high-intensity forces encountered in the initial stages of cutting, the metal blades of the auger are subjected to severe pressure as the turning motion begins and the feed ingredients are pushed upwards. From the 3/4" steel that is cold pressed into shape for our flighting, to the massive 3/8" thick tube, the flighting is expertly welded. Developed over years of testing and design, you can clearly see this is our best, most rugged and reliable auger yet.

The angle and diameter of the flighting are designed to work with the tub for the best mixing and processing of your ration. The pyramid shape of the Hurricane Auger reduces pressure on the system's moving parts, dispersing the forces through the body of the auger and prolonging the life of the blades. Our unique design ensures maximum blade contact with fibrous raw materials to make the cutting process rapid and complete. The high-wear stainless steel lead edge on the sweep has virtually no gap at the floor, dramatically reducing horsepower and providing excellent clean out. The bolt-on stainless steel plow blade keeps material from building up on the sides and turns material for even more mixing action.


Optional conveyors are configured to match the needs of your individual operations with a choice of either a Flip-up or Dual configuration. Built for long life and dependability, each system is equipped with C188 chain, the heaviest cast chain in the industry. This chain is driven using a very powerful North American made hydraulic motor.

Flip-up conveyors are configured for either left or right hand delivery, allowing you to reach up and out to get the feed into bunks. Our standard conveyor includes a stainless steel pan and rails. we offer many available options to customize these conveyor systems to feed into a variety of bulks and feed alleys.


Penta augers are equipped with 3 different styles of deep serrated, heat-treated, tungsten carbide knives. Different knife styles and mounting options give you the flexibility to process any type of feed (hay, haylage, silage, straw, by products, corn, and soybean stalks), making Penta mixers the best option for all operations, delivering results no matter what your nutritional needs.


Our drives will process any type of feed, from hay to silage to corn and soybeans stalks. Your PTO power is transferred to the drives through a two speed gear box for optimal mixing and a faster, more complete clean out. Our single auger mixers use the corner planetary gear box to drive the auger, backed by our standard 3 year warranty. Our Twin and triple auger mixers use our heavy duty planetary gear box designed and built to our specifications and backed by a 5 year warranty.

The North American engineered gear box is able to be used in most mixer models. this box allows flexibility to run 1000 RPM or 540 RPM. The key is to reduce the heat buildup in the mixing process. The 2 part design allows heat to dissipate in the lower box before transferring to the planetary.


Our PTO shafts deliver power to the mixers through all splined connections. This is the most efficient and reliable way to transfer power from your tractor to the mixer. Providing protection to our shafts are standard shear bolts and optional cam style torque limited clutches. The shear bolts provide simple, straightforward protection for your equipment, while the torque limited delivers peace of mind and automatic resetting with no wear parts.


Our high-visibility oil reservoirs are located as close as possible to the gear boxes for the best performance, ease of use, and maintenance. The high quality reservoirs are crystal clear for the easiest visual checks on oil level. On our multi-auger mixers the reservoirs are nestled between the augers for even greater visibility and protection. We use only full synthetic oil that will not break down during temperature fluctuations.


Designed to give you a platform to monitor and evaluate the progress of your mix, our viewing platform provides much more. With access from the left and right of the mixer, not only is it easier to get where you need you be, but you can also have a safe passage from one side of the machine to the other without going all the way around. Built into the design are hand holds and mounts for oil reservoirs on single auger and scale mounts.


Our frames are made of 1/2" and 3/4" North American steel, not hollow tubes. This is a design borrowed from the industrial/construction industry. This provides not only extreme ruggedness to our platform, but also cuts down on the profile of the frame and helps with our clean, compact design. This design will also eliminate any condensation build up and allows a greater flexibility to add component options.


Our straight-walled tub is designed to reduce the compaction of your feed and will minimize over-processing by allowing more room for the material to aerate. The floor of the tub is subjected to high abrasion and heavy impacts. To ensure our mixers will endure long hours of extreme use, the floor is constructed out of a solid piece of 3/4" 44w high wear, acid resistant steel. The angled curve of the tub and baffles are designed to work with our Hurricane Augers for the best mix possible and provide an easy clean out. the tub ends are rolled formed and the robot welded for a smooth, consistent curve that resists material build up and has an incredibly strong bond to both sides. All the tubs can be manufactured with a stainless steel liner that will give on average 10 years of life to mixers that operate in very wet feed conditions. Liners are installed 30" high to ensure maximum protection.


Our 600 cu ft and up models come with an off road suspension, reducing wear and tear on the tractor and mixer.

We use only high quality, non-imported bearings in our axles. In addition there are different configurations that can incorporate brakes and steering options.


For the most efficient unloading and complete clean out, our front and rear material doors are 44"-48" wide on all models.

Agricultural Equipment
Anna, Ohio
Franklin, Indiana
Greenfield, Indiana
Greensburg, Indiana
Greenville, Ohio
Oxford, Ohio
Richmond, Indiana
Rushville, Indiana
Urbana, Ohio
4030 SpecificationsImperial
Capacity 9" Rubber390 cu ft
Minimum Horsepower85 HP
Total Width105 in
Total Length233 in
Total Height97 in
Loading Height96 in
Empty Weight9,100 lbs
Corner Door Unloading Height 
Without Chute26 in
With Chute21 in
Unloading Heights       
DualFixed Incline2'3'4'5'6'7'


5030 SpecificationsImperial
Capacity 9" Rubber505 cu ft
Minimum Horsepower85 HP
Total Width101 in
Total Length233 in
Total Height115 in
Loading Height110 in
Empty Weight10,922 lbs
Corner Door Unloading HeightImperial
Without chute26 in
With chute21 in
Unloading Heights       
DualFixed Incline2'3'4'5'6'7'