Table of Contents
What are the parts of a 3 point hitch?
The three-point hitch is made up of several components working together. These include the tractor’s hydraulic system, attaching points, the lifting arms, and stabilizers. Three-point hitches are composed of three movable arms.
What size are Category 1 pins?
3⁄4 in
What are the 3-point hitch categories?
| Category | Tractor Power | Top link pin diameter |
|---|---|---|
| 1 | 20-45 HP | 3⁄4 in (19 mm) |
| 2 | 40-100 HP | 1 in (25 mm) |
| 3 | 80-225 HP | 1 1⁄4 in (32 mm) |
| 4 | More than 180 HP | 1 3⁄4 in (44 mm) |
How does a three point linkage work?
Three point linkage (or three-point-hitch) is a standardised system to attach implements to tractors. They comprise of three movable arms assembled in a triangle or ‘A’ formation, and are controlled by the hydraulic system allowing lifting, lowering and tilting.
What size is Cat 3 pin?
| Category 2 | Category 3 | |
|---|---|---|
| Upper link pin diameter | 25.4 mm (1.00 in.) | 31.75 mm (1.25 in.) |
| Upper link hole diameter | 25.65 mm (1.01 in.) | 32.00 mm (1.26 in.) |
| Lower link pin diameter | 27.94 mm (1.10 in.) | 36.58 mm (1.44 in.) |
| Lower link hole diameter | 28.70 mm (1.13 in.) | 37.34 mm (1.47 in.) |
What is the difference between the Cat 1 2 3-point hitch?
Category 1 Hitch For tractors with 20 to 50 horsepower. Category 2 Hitch For tractors with 50 to 90 horsepower. Long days can seem even longer when you aren’t comfortable. Make sure you take a test drive with every tractor you’re considering.
What category is my tractor hitch?
What are the 3-point hitch categories?
| Category | Tractor Power | Lift arm pin diameter |
|---|---|---|
| 1 | 20-45 HP | 7⁄8 in (22 mm) |
| 2 | 40-100 HP | 1 1⁄8 in (29 mm) |
| 3 | 80-225 HP | 1 7⁄16 in (37 mm) |
| 4 | More than 180 HP | 2 in (51 mm) |
Why does my 3 point hitch won’t lower?
When a three point hitch will not go down, the most frequent cause is the hydraulic flow speed control valve, usually located between your knees under the seat, is closed with the knob closed all the way to its stop. Check this control and make sure that the valve is all of the way open.