Gravely 991276 ZT HD 52 Zero Turn Mower | 25HP Kohler
$3,677.00
The Gravely ZT HD 52 Zero Turn Mower (Model 991276) with 25HP Kohler Engine is a heavy-duty residential mower built for homeowners who demand durability, power, and professional-quality results. Featuring a Kohler 7000 HD V-Twin engine and a 52-inch fabricated X-Factor® III steel deck, it delivers smooth operation and efficient cutting performance. With Hydro-Gear ZT-3100 transmissions and a reinforced tubular steel frame, the ZT HD 52 is engineered for long-term reliability and high-performance lawn maintenance on demanding properties.
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Description
Gravely 991276 ZT HD 52 Zero Turn Mower | 25HP Kohler
The Gravely ZT HD 52 (Model 991276) is a heavy-duty residential zero-turn mower with commercial-grade engineering, built for homeowners who want maximum durability, strong cutting performance, and long-lasting reliability. Powered by a 25HP Kohler 7000 HD V-Twin engine, this mower delivers smooth torque, consistent power, and dependable operation for tough mowing conditions.
With a 52-inch fabricated X-Factor® III steel deck and a reinforced tubular steel frame, the ZT HD 52 is designed to handle thick grass, uneven terrain, and frequent mowing schedules while still delivering a clean, professional-quality finish.
Key Features
- Powerful 25HP Kohler 7000 HD V-Twin engine
- Durable 52-inch fabricated X-Factor® III steel cutting deck
- Heavy-duty Hydro-Gear ZT-3100 commercial-style transmissions
- Fully welded tubular steel frame for maximum strength
- Electric PTO blade engagement system
- Foot-operated deck lift for easy height adjustment
- High-back comfort seat with armrests and vibration isolation
- Large rear tires for improved traction and stability
- Designed for residential + heavy-duty mowing use
- Built for long-term durability and performance
Applications
The Gravely ZT HD 52 is ideal for:
- Large residential lawns
- Properties with slopes and uneven terrain
- Homeowners upgrading from lawn tractors
- Acreage up to ~1–5 acres depending on conditions
- Frequent mowing schedules
- Users wanting near-commercial durability
Performance Benefits
Strong Kohler 25HP Power
The Kohler 7000 HD engine provides reliable starting and steady torque output, ensuring consistent blade speed even in thick or wet grass.
52-Inch Fabricated Deck Efficiency
The fabricated X-Factor® deck improves airflow and cutting performance, producing a cleaner and more even cut than stamped decks.
ZT-3100 Commercial-Style Transmissions
These hydrostatic drives offer better durability, smoother control, and improved slope handling, making the mower more capable than entry-level residential systems.
Reinforced Frame Strength
A fully welded tubular steel frame improves rigidity and long-term durability under heavy use.
Operator Comfort Design
Vibration isolation seat and ergonomic controls reduce fatigue during long mowing sessions.
| Specification | Details |
|---|---|
| Model | Gravely ZT HD 52 (991276) |
| Engine | Kohler 7000 HD V-Twin |
| Horsepower | 25 HP |
| Cutting Width | 52 inches |
| Deck Type | Fabricated X-Factor® III steel |
| Transmission | Hydro-Gear ZT-3100 |
| Fuel Capacity | ~5.1 gallons |
| Forward Speed | Up to ~8 MPH |
| Cutting Height Range | 1.5" – 5" |
| Application | Residential / Heavy Residential |


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