Truck-mounted vs. trailed TMR mixers: a side-by-side comparison
The right choice isn't simply "truck or tractor." It comes down to travel distance, daily batch volume, available power units, barn access, labor, terrain, and the real cost of tying a tractor to feeding every single day.
Truck-Mounted TMR Mixer
Trailed TMR Mixer
A TMR mixer gets used every feeding day, often several times a day, so the chassis decision matters more than it first appears. A low-cost machine can turn out expensive if it monopolizes a tractor, moves too slowly between sites, or forces extra batches. A premium truck-mounted unit can also be the wrong investment if the feeding route is short, the terrain is soft, or the machine can't comfortably enter the existing feed alley.
This guide compares truck-mounted vs. trailed TMR mixers from the standpoint of daily farm logistics rather than brochure language, using HerdMech's own published specifications and pricing throughout, so you can size the decision to your real route, ration, and labor plan.
How the Two TMR Mixer Systems Work
Truck-Mounted TMR Mixer
HerdMech 9JCL-16/24 — from $59,900The mixing body, weighing system, and discharge system are installed on a commercial truck chassis — HerdMech offers the 9JCL series on Foton, Sinotruk, or Shacman chassis. The truck engine powers the mixer through a full-power PTO, so the same vehicle mixes, transports, and distributes the ration.
Important: truck-mounted does not automatically mean self-loading. Ingredients are normally loaded with a wheel loader, skid steer, or telehandler before the truck begins its mix-and-feed route.
Fast between sites No feeding tractor 16–24 m³ (CBM) ≥200–280 HP engineTrailed TMR Mixer
HerdMech 9JQL-06/30 — from $9,320The mixer wagon attaches to a tractor drawbar and receives mixing power through the tractor PTO. The tractor pulls the unit from the loading point to the feed bunk and powers hydraulic discharge.
This is usually the most economical route into mechanized TMR feeding when the farm already owns a suitable tractor and doesn't need high-speed movement between separated facilities.
Lower entry cost Uses existing tractor 6–30 m³ (CBM) 60–240 HP tractor rangePrices shown are HerdMech's published starting prices for the base configuration (smallest capacity in the range) and exclude freight, chassis upgrades, and optional discharge configurations. Confirm final pricing for your capacity and destination with the HerdMech sales team.
Truck-Mounted vs. Trailed TMR Mixer: Side-by-Side Comparison
| Decision factor | Truck-mounted TMR mixer | Trailed TMR mixer |
|---|---|---|
| Power source | Commercial truck engine through full-power PTO | Farm tractor PTO |
| HerdMech capacity range | 16, 20, and 24 m³ (9JCL-16/24) | 6, 8, 10, 12, 16, 20, 24, and 30 m³ (9JQL-06/30) |
| Starting price | From $59,900 USD | From $9,320 USD Budget advantage |
| Chassis / power unit | Foton, Sinotruk, or Shacman commercial truck chassis, ≥200–280 HP by model | Customer's own tractor, matched to 60–240 HP by model |
| Travel between barns | Faster on firm internal roads and longer routes; rated 8–90 km/h Distance advantage | Best for compact sites and short farm routes |
| Turning and reversing | No tractor–wagon pivot point; often easier to reverse into long alleys | Longer articulated combination; turning depends on tractor size and drawbar geometry |
| Tractor availability | Does not occupy a feeding tractor Fleet advantage | A tractor remains committed during loading, mixing, travel, and discharge |
| Soft or rough ground | Best on firm, well-maintained routes; road tires and loaded axle weights require attention | A tractor configuration can offer better traction and flotation on rough farm tracks |
| Unit weight (unloaded) | Varies by chassis and configuration; confirm with final chassis spec | 2,160 kg (6 m³) up to 7,800 kg (30 m³) |
| Loading requirement | Usually needs a separate loader or telehandler | Usually needs a separate loader or telehandler |
| Backup strategy | A breakdown can stop both transport and mixing unless a backup unit is available | A second compatible tractor can sometimes keep the mixer working |
| Best fit | Medium and large farms, multiple barns, satellite sites, high daily throughput | Small to large single-site farms, shorter routes, cost-conscious operations |
Full model-by-model dimensions, horsepower, and weight are in the specs and pricing section below.
The 9 Differences That Matter Most in Daily Feeding
Purchase price vs. total ownership cost
HerdMech's trailed range starts at $9,320 versus $59,900 for the truck-mounted range — a real gap, because the trailed unit doesn't include its own engine and chassis. But the tractor isn't free. Include depreciation, fuel, tires, maintenance, operator time, and the opportunity cost of removing that tractor from fieldwork.
A truck-mounted mixer becomes more competitive when feeding consumes many tractor hours, or when the farm would otherwise need to buy a dedicated high-horsepower tractor anyway.
Distance between the feed center and cattle
Route length is often the deciding factor. On a compact dairy, a tractor and trailed wagon may only travel a few hundred meters per batch — the truck's speed advantage is then small. On a multi-barn farm, heifer site, or satellite unit, the truck-mounted mixer's 8–90 km/h rated travel speed can materially shorten the feeding window.
Daily batches and feeding-window pressure
Count batches, not only cows. Several ration groups, multiple feedings, transition pens, and youngstock can create far more mixer cycles than herd size suggests. Higher cycle frequency favors the platform that reduces non-mixing time between loads.
Tractor horsepower and fleet scheduling
HerdMech's trailed lineup pairs specific capacities with specific tractor ranges — a 6 m³ unit needs only 60–80 HP, while the 30 m³ flagship calls for 200–240 HP (see the full per-model table). A tractor that's powerful enough on paper may still be a poor match if it lacks adequate weight, hydraulic capacity, or braking performance.
Choose truck-mounted when the tractor that would otherwise pull the mixer is already committed to manure handling, forage work, or field operations.
Feed alley access and reversing
Measure the entire route: entrance height, alley width, corner radius, curb position, roof columns, slope, door clearance, and exit path. A truck-mounted unit has no articulation point between tractor and wagon, which can simplify reversing. A trailed system may still be the better fit where a compact tractor can enter but a commercial truck chassis cannot.
Road surface, gradients, and seasonal conditions
Truck-mounted mixers prefer stable yards and maintained internal roads — a fully loaded 9JCL-24 concentrates substantial weight on the chassis axles. Trailed systems, which range from 2,160 kg (6 m³, unloaded) up to 7,800 kg (30 m³, unloaded), can be more forgiving on rough, muddy, or uneven routes when paired with an appropriate agricultural tractor and tire package.
Maintenance skills and spare-parts strategy
A trailed mixer has a comparatively simple chassis, but the true system includes the tractor. A truck-mounted system combines road-vehicle maintenance with mixer maintenance. Before buying, decide who will support the engine, gearbox, PTO, hydraulic system, load cells, augers, and electronic controls in your region.
Backup feeding plan
Feeding equipment has to work every day. With a trailed mixer, another compatible tractor may be able to replace the normal power unit. With a truck-mounted mixer, a chassis failure and a mixer failure affect the same machine. Larger farms should plan backup equipment, critical spare parts, or an emergency feeding arrangement before commissioning.
Future herd growth
Don't buy only for today's average load. Account for the largest ration group, expected herd expansion, and a safe working fill level. Overfilling reduces material movement and can create an apparently "full" mixer that doesn't produce a uniform batch. Use the TMR mixer sizing formula before comparing chassis types.
Which Mixer Produces the Better TMR?
Neither type has an automatic mixing-quality advantage. For vertical TMR mixers, long or dry forage is generally loaded first, followed by grains, concentrates, and ensiled forage. After the final ingredient is added, final mixing is commonly measured in minutes — not "as long as possible." Excessive mixing can reduce particle length and effective fiber.
For consistent results, control these five variables on either platform:
- Use a correctly sized mixer and avoid routine overfilling.
- Follow one loading sequence for every batch and operator.
- Maintain sharp, correctly positioned knives — HerdMech uses tungsten-carbide-coated, heat-treated blades on both platforms — and inspect auger wear.
- Calibrate the weighing system and verify load-cell accuracy (3 load cells on smaller trailed models, 4 on larger trailed and all truck-mounted models).
- Standardize final mix time after the last ingredient enters the chamber.
A Five-Minute Decision Guide
Choose a trailed TMR mixer when:
- You already own a suitable tractor (60–240 HP, matched to your target capacity).
- Feed storage and barns are on one compact site.
- Your route includes rough or seasonally soft ground.
- Initial capital cost is the main constraint — entry price is $9,320.
- You want a broad capacity choice from 6 to 30 m³.
- A spare tractor can support your backup plan.
Choose a truck-mounted TMR mixer when:
- You feed several barns or separated cattle groups.
- Travel time is a major part of the feeding cycle.
- You need 16–24 m³ batch capacity.
- The feeding tractor is needed for other work.
- Your yards and internal roads are firm and accessible.
- Higher throughput can justify the $59,900+ investment.
Annual ownership + fuel/energy + labor + maintenance + tires + downtime + extra batches
Run the calculation with your own wage rates, diesel price, tractor value, and feeding hours. For a worked example, use HerdMech's TMR mixer ROI guide for a 500-cow dairy.
Specs and Pricing by Model
HerdMech Trailed TMR Mixers (9JQL-06/30)
Eight capacities from 6 to 30 m³, each matched to a specific tractor horsepower band. NM400 wear-resistant construction, 65Mn tungsten-carbide-coated cutting blades, and an imported electronic dynamic weighing system support repeatable daily feeding.
See the 6–30 m³ Trailed Range
HerdMech Truck-Mounted TMR Mixers (9JCL-16/24)
Three capacities built on Foton, Sinotruk, or Shacman commercial chassis with a dual-vertical-auger mixer. Reinforced NM400 construction, double-sided hydraulic discharge, and precision weighing are designed for high-frequency mobile feeding.
See the 16–24 m³ Truck-Mounted RangeTrailed TMR mixer specifications (9JQL-06/30)
| Model | Capacity | Dimensions (mm) | Tractor HP | Augers / Blades | Load cells | Weight |
|---|---|---|---|---|---|---|
| 9JQL-06 | 6 m³ | 3700 × 2040 × 2500 | 60–80 | 1 / 8 | 3 | 2,160 kg |
| 9JQL-08 | 8 m³ | 4200 × 2400 × 2700 | 80–100 | 1 / 8 | 3 | 2,580 kg |
| 9JQL-10 | 10 m³ | 4400 × 2800 × 2750 | 100–120 | 1 / 8 | 3 | 2,980 kg |
| 9JQL-12 | 12 m³ | 4500 × 2850 × 3150 | 120–140 | 1 / 10 | 3 | 3,580 kg |
| 9JQL-16 | 16 m³ | 5800 × 2400 × 3000 | 140–160 | 2 / 16 | 4 | 4,280 kg |
| 9JQL-20 | 20 m³ | 6100 × 2800 × 3000 | 160–180 | 2 / 16 | 4 | 6,230 kg |
| 9JQL-24 | 24 m³ | 6500 × 3000 × 3200 | 180–200 | 2 / 16 | 4 | 6,530 kg |
| 9JQL-30 | 30 m³ | 6500 × 3000 × 3400 | 200–240 | 2 / 20 | 4 | 7,800 kg |
Truck-mounted TMR mixer specifications (9JCL-16/24)
| Model | Capacity | Dimensions (mm) | Engine power | Travel speed | Steering | Discharge doors |
|---|---|---|---|---|---|---|
| 9JCL-16 | 16 m³ | 6500 × 2400 × 2800 | ≥ 200 HP | 8–90 km/h | Hydraulic | 2 (hydraulic, both sides) |
| 9JCL-20 | 20 m³ | 7200 × 2800 × 3300 | ≥ 240 HP | 8–90 km/h | Hydraulic | 2 (hydraulic, both sides) |
| 9JCL-24 | 24 m³ | 7500 × 3000 × 3500 | ≥ 280 HP | 8–90 km/h | Hydraulic | 2 (hydraulic, both sides) |
Specifications should be confirmed for the final chassis, discharge configuration, local road rules, ration density, and climate. Share your herd size, daily ration volume, number of groups, route distance, barn dimensions, and available tractor horsepower before requesting a final configuration and quote.
Frequently Asked Questions
Is a truck-mounted TMR mixer always faster than a trailed mixer?
It's normally faster between separated feeding locations, especially on firm internal roads — HerdMech's 9JCL series is rated for 8–90 km/h. It may not shorten the total cycle if loading, ingredient staging, or discharge is the actual bottleneck.
Which type gives a more uniform ration?
Either can give excellent uniformity. Correct capacity, loading order, knife and auger condition, scale accuracy, and mix duration matter more than whether the mixer is mounted on a truck or pulled by a tractor.
How much tractor horsepower does a trailed TMR mixer need?
It depends on capacity: the 6 m³ 9JQL-06 needs 60–80 HP, the mid-size 16 m³ 9JQL-16 needs 140–160 HP, and the largest 30 m³ 9JQL-30 needs 200–240 HP. See the full per-model table above for all eight sizes.
Can a truck-mounted TMR mixer load its own ingredients?
Not by default. A conventional truck-mounted mixer normally needs a loader, skid steer, or telehandler. A self-loading mixer is a separate configuration with its own loading device.
What's the price difference between a truck-mounted and a trailed TMR mixer?
HerdMech's trailed range starts at $9,320 for the 6 m³ model; the truck-mounted range starts at $59,900 for the 16 m³ model. The gap narrows once you account for the cost of a dedicated feeding tractor, since the truck-mounted price already includes its own power unit and chassis.
Which chassis brands does HerdMech use for truck-mounted mixers?
The 9JCL-16/24 series is available on Foton, Sinotruk, or Shacman commercial truck chassis, depending on the destination market and buyer preference.
Need a Farm-Specific Recommendation?
Send HerdMech your herd size, ration volume, number of daily batches, feed-route distance, barn access dimensions, and available tractor horsepower. The team can compare capacity, chassis, and discharge options — and confirm final pricing — for your operation.
Ask the HerdMech Team Browse All TMR Mixers