Machine type
Semi-mounted rotary cutter / brush hog
John Deere mower ยท 2000s to present
John Deere MX7 Rotary Cutter
John Deere MX7 Rotary Cutter is a semi-mounted rotary cutter, often called a brush hog, with a 7-foot cutting width. It is used to mow pasture, weeds, brush, and crop residue rather than to make conditioned hay.
Cutting width
7 ft
Power required
Typically 40 to 50 PTO hp minimum
Production years
2000s to present
John Deere MX7 Rotary Cutter specifications
| Machine type | Semi-mounted rotary cutter / brush hog |
|---|---|
| Cutting width | 7 ft |
| Power required | Typically 40 to 50 PTO hp minimum |
| Production years | 2000s to present |
| Cutting system | Two rotary blades on a stump-jumper blade carrier |
| Cutting height range | 1 to 9.5 in. |
| PTO speed | 540 rpm |
| Approx. weight | About 1,330 lb without attachments |
| Hitch type | Semi-mounted lift-type hitch |
What the MX7 Rotary Cutter is used for
The MX7 is used to maintain pasture, field edges, brushy areas, and crop stalk residue. Its rotating blades cut coarse vegetation and leave material spread behind the deck. Ground speed should be reduced in taller or denser brush to maintain blade speed and cut quality.
Why the John Deere MX7 Rotary Cutter stands out
The cutter uses a heavy deck, side skirts, and a round blade carrier that can ride over obstructions. A slip clutch protects the driveline from abrupt loads. Adjustable cutting height allows use from close pasture clipping to taller rough-cut work.
Buying a used John Deere MX7 Rotary Cutter
Inspect blade condition, blade-carrier wear, gearbox oil, output-shaft seals, and any vibration during operation. Confirm the PTO shield, slip clutch, driveline telescoping action, and wheel or tailwheel hardware are serviceable. Look closely for deck cracks, bent skirts, damaged skid areas, and past repairs around the gearbox mount.
John Deere MX7 Rotary Cutter frequently asked questions
What tractor size is suitable for an MX7?
It generally needs at least about 40 PTO hp, with more power helpful in dense vegetation.
What can an MX7 cut?
It is intended for pasture, weeds, stalks, and brush, with published brush-cutting capacity around 2 inches.
Does the MX7 use a 540-rpm PTO?
Yes, the lift-type MX7 uses a 540-rpm PTO.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used mowers and conditioners vary by condition, use, and region. Page updated Aug 4, 2026.