- Dakota City, NE
- Contact: +1 (402) 987-3412
- sales@broyhill.com

Overview
The CAT 9.3 Litre Tier 4 6 cylinder rated at 375hp is engineered for high performance in various applications. Here’s an explanation of its key features:
- Engine Specifications: The C-9 is a 6-cylinder, inline diesel engine with a displacement of 9.3 liters. It is turbocharged and designed to provide reliable power for heavy-duty applications, including construction and industrial machinery.
- Drive System: This tractor features full-time four-wheel drive with selectable steering modes, including a “Crab-Coordinated-Front only” mode, which enhances maneuverability in tight spaces.
- Hydrostatic Systems:
- The hydrostatic propel drive system allows for infinite speed variations across all gear ranges, enabling instant forward and reverse movement with single lever control.
- The hydrostatic implement drive system supports multiple attachments at both the front and rear of the vehicle, increasing versatility.
- Axles and Frame Design: The tractor is equipped with planetary axles that include outboard planetaries, wheel end brakes, a standard front differential, and a No-Spin rear differential. This setup ensures effective power transmission to the ground.
- Unitized Main Frame: The unitized main frame is designed to absorb heavy shock loads while maintaining alignment of the powertrain, contributing to durability.
- Componentized Power Train: This design allows for servicing of individual components without disturbing the entire drive line, facilitating easier maintenance.
- Safety and Comfort Features: The Cab includes a ROPS (Roll Over Protective Structure) and FOPS (Falling Object Protective Structure) four-post protection system. The cab package features rubber mounts to reduce noise and vibration, along with a comfortable operator seat, full instrumentation, heating, air conditioning, and an AM/FM radio.
- Attachment Compatibility:
- Front Implement Attachments: Such as augers, snowblowers, and forklifts.
- Rear Implement Attachments: Including backhoes, winches, scarifiers/rippers, and towable implements.
This combination of power, efficiency, and versatility makes the Brown Bear model 500 an excellent choice for demanding applications across multiple industries.
Key Service
-
DIESEL ENGINE POWER
CAT 9.3 Litre Tier 4 6 cylinder rated at 375hp -
FULL TIME FOUR WHEEL DRIVE
With selectable steering modes, "Crab-Coordinated-Front only." -
HYDROSTATICS
Axial piston hydraulic pumps (variable) and motors (fixed) provide infinitely variable and stepless power transmission, efficiently at low operating temperatures. -
HYDROSTATIC PROPEL DRIVE SYSTEM
Gives infinite speed variations in all gear ranges. Instant forward/reverse shuttle, single lever control. -
HYDROSTATIC IMPLEMENT DRIVE SYSTEM
Gives multiple attachment capability, front and rear. -
PLANETARY AXLES (front and rear)
Outboard planetaries, wheel end brakes, standard front differential, No-Spin rear differential. -
MULTIPLE TIRE OPTIONS
UNITIZED MAIN FRAME
Absorbs heavy shock loads, maintains power train alignment. -
COMPONENTIZED POWER TRAIN
Permits servicing of individual components without disturbance of the rest of the drive line. -
ROPS & FOPS FOUR POST PROTECTION WITH CAB PACKAGE
Isolated with rubber mounts to reduce noise and vibration. Comfortable operator seat, full instrumentation. Standard with heater, pressurization, wiper, A/C and AM/FM radio. -
FRONT IMPLEMENT ATTACHMENTS (optional)
Category III H 3-point for attaching auger backfiller, auger composter, snowblower, sweeper broom, angle dozer, brush rake, V-plow, forklift and more. -
REAR IMPLEMENT ATTACHMENTS (optional)
Backhoes, winches, scarifier/ripper, towable attachments and Category III 3 point.

Hydrostatic Auger Backfiller For Brown Bear 400 & 500
Continuous Ribbon Backfilling

The material flows in and around the pipe from the bottom up as the auger rotates into the windrowed spoil which is either trencher or excavator dug. The material is pulverized allowing the fines to enter the trench first with the heavier rocks riding up and entering after the pipe has been entombed and protected. US Federal back filling requirements require pipelines to be fully supported and done in a manner that protects any pipe coating. The auger backfiller satisfies these specifications.
Aerator Attachments
For Use with Brown Bear Tool Carrier Tractors
DRY - COMPOST - BIOREMEDIATE
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Model 200 w/optional Loader Hitch & 3120 Paddle Aerator

Model 300 w/optional Loader Hitch & 3630 Paddle Aerat

Model 400 w/standard 3 Pt. Hitch & 3940 Paddle Aerator
- Builds it’s own rows
- Mixes to ground level
- Places windrows adjacently
- Works on irregular surfaces

Model 500 w/standard 3 Pt. Hitch & 4950 Paddle Aerator
- Mixes Blends Aeriates and Fluffs
- Eight Aerator sizes l
- Six aerator styles
- Spray system Optional
Tractor Model | Aerator Model | Dia. x Width | Windrow Base | Height |
200 | 3120 | 31″ x 10′ | 9′ | 2.5 – 3.5′ |
300 | 3630 | 36″ x 10′ | 9′ | 3 – 4′ |
400 | 3940 | 39″ x 12′ | 11′ | 4 – 5′ |
500 | 4950 | 49″ x 12′ | 11′ | 5 – 6′ |
* Bulk density and angle of repose of material affect Windrow height & base.
Why Choose Us
Industry-Leading Technology
By choosing Brown Bear, you gain access to industry-leading technology that enhances productivity, reduces operating costs, and ensures compliance with environmental regulations. Our equipment not only improves efficiency but also promotes sustainability in your operations.
Proven Expertise:
Brown Bear Corporation specializes in manufacturing high-quality equipment for composting, sludge drying, and utility tasks, ensuring reliable performance and industry compliance.
Innovative Solutions:
With a diverse product line includes advanced brush mulchers, composters, and bioremediation equipment, designed to enhance operational efficiency and reduce environmental impact in various sectors.
Customizable Equipment:
Brown Bear offers tailored solutions with options for different tractor types and attachments, allowing customers to find the perfect fit for their specific needs and maximize productivity.

Testimonials
Words of Appreciation from Our Valued Clients
At Brown Bear, we take pride in delivering high-quality equipment that meets the diverse needs of our customers in agriculture, utility, and environmental sectors.
But don’t just take our word for it—hear from those who have experienced the benefits of our products firsthand!
Our customers consistently share their success stories, highlighting how our innovative solutions have transformed their operations, improved efficiency, and enhanced sustainability. From composting and waste management to brush cutting and land clearing, our equipment is designed to deliver exceptional performance and reliability.
Explore the testimonials below to see how Brown Bear equipment has made a positive impact on businesses like yours. Join our community of satisfied customers and discover how we can help you achieve your goals!
Using my Brown Bear composting unit has transformed my operation. It builds its own windrows, cutting down on labor and reducing material volume by 50%. I couldn’t be happier!


At Brown Bear, our mission is to provide innovative, high-quality equipment solutions that enhance environmental sustainability and operational efficiency across the agricultural, utility, and pipeline industries.
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