H-1000 Series II Tub Grinder

The Haybuster PTO Tub Grinder line is made up of three sizes of grinders plus the option of an electric motor.

The Haybuster Model H-1000 tub grinder is the most economical grinder available. Designed for the small rancher who still needs to get the hay ground. Fifty to 100 head cattle ranchers have learned to appreciate the ability and price of the H-1000. Of course, to make the H-1000 affordable for the smaller rancher, it’s limited on certain features, compared to other Haybuster models. The limited features include no tub tilt and a lighter-duty hammermill. This hammermill only requires an 80 hp PTO tractor and ideally a 125 hp tractor for its maximum efficiency. If your herd size and tractor size fit these criteria, this may be the tub grinder for you.

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18” Wide by 20’ Long Hydraulic Folding Conveyor

The model H-1000 tub grinder is now equipped with a hydraulic folding conveyor. The 20’ long x 18” wide conveyor allows you to stack ground material up to 13’9” high at a 40 degree angle.

Big Bite Hammermill

The hammermill is constructed of 3/16” thick x 15.75” diameter plates with 15/16” case hardened rods that hold 64-3/8” hammers. These hammers have 4 hardened edges that can be rotated and flipped to get many hours of grinding.

Eight Belt Drive System

The 8 multiple belt drive system is dependable. It supplies the power the PTO of the tracto to the hammermill. This drive system tuns the mill at approximately 2 x PTO speed. This mill speed provides for smooth feeding and delivers high capacity grinding perfomance.

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Standard Features

  • The Model H-1000 is now equipped with an 18” wide by 20’ long hydraulic folding conveyor. The conveyor allows you to stack ground material up to 13’ 9” high.
  • The hammermill is constructed of 3/16” thick x 15 ¾” diameter plates with 15/16” case hardened rods that hold 64-3/8” hammers. These hammers can be rotated and flipped for many hours of grinding.
  • The 8-groove belt system delivers sufficient power from the PTO to the hammermill. The system has a fixed belt tension to accommodate, stretch and wear without having to monitor belt tension. This drive system turns the mill at approximately 2 x PTO speed. This mill speed provides for smooth feeding and delivers high capacity grinding performance.
  • High-capacity grain grinding is another important operation that the H-1000 can also accomplish. By placing the optional grain-grinding hopper over the hammermill opening and changing screens, the H-1000 becomes a high capacity grain grinder for grinding and/or cracking feed grains.
  • The H-1000 tub is driven by a hydraulic motor which drives a heavy-duty roller chain. The sprocket on the tub is a continuous sprocket that provides a positive and smooth transmission of power to the tub.
  • The tub rotation is controlled by an electronic governor that stabilizes engine load by adjusting the tub speed based on rotor speed. It also controls tub direction and tub stop.
  • The dual 9” high-capacity augers mounted in the belly pan discharge the ground product to the stacking conveyor. The belly pan provides a clean area to catch and discharge small product such as ground corn and barley.
  • The hydraulic folding stacking conveyor is powered by a positive mechanical drive system.
  • The H-1000 tub 10’ 3” wide and 44 ½” deep and is constructed of a 10-gauge steel floor and a 14-gauge steel side wall. The H-1000 tub has the capacity to handle all types and sizes of bales.

Optional Features

PTO Shaft -1000 RPM
Tractor Half, 1-3/4 in, 20 Spline Shaft
Tractor Half, 1-3/8 in, 21 Spline Shaft

Hammermill Feeding
Slug Buster, 5 tooth screen hold down
Mill Grate, for grinding tough hay or crop residues

Geyser Plates
Geyser Plate Kit, use with the Slug Buster
Geyser Plate Kit, slotted, use with the Mill Grate

(Set of 2) 9.5 x 14 - 8 ply Implement Tires
(Set of 2) 31x10.5x15 - load rating “C” Highway Rated Tires

  • Loose Hay Guide, Front
  • Hopper for Grain Grinding
  • Ear Corn Kit

Better diets for dairy cows - an article from the USDA - describes how finely ground grains/corn can offer a better diet for cows.

Closed Center Conversion Kit
This kit is required to operate the conveyor lift valve properly, with John Deere 60 and older series tractors.

Grinding Screens
1/8 in. (3.18 mm) Round Hole Screen Half*
3/16 in. (4.76 mm) Round Hole Screen Half**
1/4 in. (6.35 mm) Round Hole Screen Half
3/8 in. (9.52 mm) Round Hole Screen Half
1/2 in. (12.7 mm) Round Hole Screen Half
5/8 in. (15.88 mm) Round Hole Screen Half
3/4 in. (19.05 mm) Round Hole Screen Half
1 in. (25.4 mm) Round Hole Screen Half
1-1/2 in. (38.1 mm) Round Hole Screen Half
2 in. (50.8 mm) Round Hole Screen Half
3 in. (7.62 cm) Round Hole, Screen Half (standard)
4 in. (10.16 cm) Round Hole, Screen Half (standard)
Dummy (Open) Screen Half
*1/8 in. (3.18 mm) thick,
**3/16 in. (4.76 mm) thick, all other screens are 1/4 in. (6.35 mm) thick


Total 6,830 lbs. (3,098 kg)
Width 10 ft. 3 in. (3.12 m)
Height 10 ft. 2 in. (3.10 m)
Length 20 ft. (6.10 m)
Towing Arrangement Clevis hitch
Bearings Tapered roller
Loading Height 8 ft. (2.44 m)
Tub Width at Flare 10 ft. (3.05 m)
Depth 44-1/2 in. (1.13 m)
Tub Inside dia at Base 8 ft. (2.44 m)
Tub Wall Thickness 12 gage (2.66 mm)
Tub Floor Thickness 10 gage (3.42 mm)
Drive Mechanism Full Sprocket around tub Electro/Hydraulic
Speed Control Electronic Governor
Length 44-1/2 in. (1.13 m)
Diameter, Hammers Extended 26 in. (66 cm)
Feed Opening 27 in. x 45 in. (68.58 cm x 114.3 cm)
Hammers 3/8 in. (9.53 mm) Thick, A.B. Hardened Swing
Number of Hammers 64
Hammer Rods 15/16 in. (23.81 mm) dia., Case Hardened
Cylinder Plates 3/16 in. thick x 15-¾ in. dia.
Cylinder Shaft 3 in. (7.62 cm), Stress Proof Steel
Drive End Bearing 2-3/4 in.(6.99 cm), Pillow Block
Idle End Bearing 2-7/16 in. (6.19 cm), Pillow Block
Screens 1/8 in. (3.18 mm), 3/16 in. (4.76 mm), or 1/4 in. (6.35 mm) thick and various hole sizes from 1/8 in. (3.18 mm) to 4 in. (101.6 cm)
Screen Area 2,400 sq. in. (15,483 sq. cm)
Drive PTO through multiple V Belts
Type Double Free Floating Augers
Auger Size 9 in. (22.86 cm) x 96 in. (2.44 m)
Width 33-¾ in. (85.73 cm)
Drive Mechanical
Type Rubber Belt with Cleats
Drive Mechanical
Drive & Idler Roller Type “Easy Clean”
Length 20 ft. (6.1 m)
Width 18 in. (45.72 cm)
Maximum Conveyor Lift Height 13 ft. 9 in. (4.19 m)
Conveyor Lift Hydraulic
Conveyor Lift Cylinder 3" x 12" (7.62 cm x 30.48 cm)
Conveyor Fold Hydraulic Folding Over Rear of Tub
Tub Rotation 3 Position Hydraulic Valve for Clockwise, Stop, & Counter-Clockwise
Tub Speed DuraTech Model RCB93 Electronic Governor Stabilizes Engine Load by Controlling Tub Rotation Speed
Conveyor Lift 3-Position Hydraulic Valve for Raise, Hold, & Lower
PTO Horsepower Required 80 HP (59.7 kw) to 175 HP (130.5 kw)
Min. Tractor Hydraulic Output 8 gpm at 1500 psi (30.3 lpm x 10,345 kPa)
Hydraulic Remote Controls (1) Double-acting control valve with quick coupler outlets
Electrical 12 VDC
Hydraulic Reservoir 12 gallon (45.4 liter) capacity
Oil Requirement Mobil 423, Co-op Super HTB or Equivalent
SMV Sign Standard equipment
Road Lights Standard equipment