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John Deere GM1190
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GM1190
Grooming Mowers
Overview:
The Frontier™ GM1190 Rear Discharge Grooming Mower with Chain Shield delivers exceptional mowing performance, ensuring a clean and precise cut with enhanced safety features, making it an ideal choice for maintaining well-groomed landscapes.
- 7-gauge, 4.55-mm (0.179-In.) Steel Deck
- Quick-Change, Free-Swinging Blades
- iMatch™ Quick-Hitch Compatible With Conversion Kit
- Replaceable Skid Shoes
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Features
Deck Design Increases Productivity

The rear discharge grooming mower has a rounded, front-tapered rear deck design allowing close mowing along obstacles like trees, fences, and buildings. This efficient design increases the mower's ability to perform close and effective grooming, enhancing productivity.
Rugged Gearbox With Cooling Fins

A 37.3-kW (50-hp) rugged gearbox with cooling fins extends the gearbox's lifetime significantly. The enhanced durability due to engineered components ensures efficient power transfer and reduced noise during operation.
Caster Wheels Prevent Scalping

Equipped with four caster wheels, this mower prevents scalping by following ground contours. The heavy tubular caster wheel arms are bolted to rail supports, ensuring a long lifespan and maintaining cutting consistency.
Specifications
Blade
| Spindles - Quantity | 3 |
| Dimensions | 0.64x6.4 cm |
| Dimensions | 0.25x2.5 in. |
| Overlap | 5.1 cm |
| Overlap | 2 in. |
| Spindles - Bearing | Tapered roller |
| Composition | Heat treated alloy steel |
| Spindles - Composition | Cast iron |
| Blade Quantity | 6 |
| Average Tip Speed | 4745.74 m/min |
| Average Tip Speed | 15570 fpm |
Belts
| Quantity | 1 |
| Adjustment | Spring loaded idler |
Caster Wheels
| Solid Caster Wheels - Size | 13x5 in. |
| Solid Caster Wheels - Size | 33x12.7 cm |
| Bearings | Roller bearings |
| Quantity | 4 |
| Solid Caster Wheels | Yes |
Dimensions
| Cutting Width | 228.6 cm |
| Cutting Width | 90 in. |
| Overall Machine Width | 241.3 cm |
| Overall Machine Width | 95 in. |
Warranty
| Machine | 1 year |
| Gearbox | 1 year |
Hitch
| Hitch Category | Category 1 |
Weight
| Shipping | 1347 lb. |
| Shipping | 611 kg |
| Operational | 604.6 kg |
| Operational | 1333 lb. |
Gearbox
| Mower Deck Horsepower | 55.9 kW |
| Mower Deck Horsepower | 75 hp |
| Ratio | 1:1.7 |
Tractor Requirements
| PTO Horsepower | 45-75 hp |
| PTO Horsepower | 33.6-56 kW |
| PTO rpm | 540 rpm |
Deck
| Deck Thickness | 7 gauge |
| Deck Thickness | 0.1793 in. |
| Deck Discharge | Rear |
| Deck Thickness | 4.554 mm |
Contact Us
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325 Walt Messick Road
Harrington, Delaware 19952
Phone: (302) 398-3729
Toll Free: (800) 237-1272