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MK Martin 3-Point Rear Grader Blade Specs
The 3-Point Hitch Grader Blade from MK Martin makes maintaining your driveway and gravel areas easy. Ruggedly built with a reversible cutting edge, these blades are designed for years of service. Fix drainage issues, grade the land, clear snow, and more. A simple, versatile tool that’s long been a staple of tractor owners for good reason.
- Cat I & II 3-Point Hitch and Quick Hitch Compatible
- 1/2 x 6″ Reversible Cutting Edge
- Mouldboards in 3/16″, 1/4″, and 3/8″ thickness (Series Dependent)
- Fully Rotatable Blade
- Hydraulically Angle Control (requires a rear remote)
- Optional Rubber Cutting Edge
- MK Martin 7-Year Warranty
| Model | Max HP | Width | Mouldboard | Mouldboard Height | Center Pin | 3PH Mount | Weight |
| Light Duty MKGB588 |
45 | 5′ | 3/16″ | 15″ | 2″ | Category I | 180 lb |
| Standard Duty MKGB688 |
45 | 6′ | 1/4″ | 15″ | 2″ | Category I | 200 lb |
| Standard Duty MKGB788 |
45 | 7′ | 1/4″ | 15″ | 2″ | Category I | 215 lb |
| Heavy Duty MKGB798 |
75 | 7′ | 3/8″ | 15″ | 3″ | Category II | 577 lb |
| Heavy Duty MKGB898 |
75 | 8′ | 3/8″ | 15″ | 3″ | Category II | 616 lb |
Lifetime Warranty
Increase the standard manufacturer’s warranty to GWT’s Lifetime Warranty.
What is covered
Your GWT Lifetime Warranty covers issues stemming from the craftsmanship of the product, like broken welds, torn steel, or improper fit. Tractor attachments are generally designed to be used in harsh environments, so normal wear-and-tear is not covered (things like lost paint or chipped paint, scratches, dents, or bent teeth).
We will repair or replace, at our discretion, your attachment/product under the Lifetime Warranty, if purchased.
What isn’t covered
Any shipping necessary for repair or replacement, as well as transportation costs are not covered under the factory warranty. Lost time and down time are not covered. Replacement parts are covered, but not labor costs.
If damage occurs from improper use (a use other than what the product is marketed for), the warranty is void. Damage caused to your tractor while using an attachment will not be covered.
Your warranty is non-transferable, meaning it exists as long as you’re the owner and operator of the product.
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