Description
Troy-Bilt Bronco 46B Riding Lawn Mower — 17.5hp Briggs, 46 in. Deck (13AN78BTA66)
Yard work shouldn’t feel like a chore. The mid-back adjustable seat and Step-Thru™ frame make getting on and off easy, the AutoDrive™ transmission uses foot pedal control to keep driving simple, and anti-scalp deck wheels help deliver a clean, even cut. The AGM battery is built for reliable starting season after season.
Key Features
- 17.5 HP/500cc Briggs & Stratton® engine — reliable starting and plenty of power.
- AutoDrive™ transmission — foot-pedal design with speeds up to 5.5 MPH.
- 46 in. side-discharge steel deck — with 2 anti-scalp deck wheels to prevent turf damage.
- Mid-back seat and rubber footpads — comfort with minimized vibration.
- AGM battery — longer lifespan and lower maintenance than traditional lead acid wet batteries.
Specifications
| Model Number | 13AN78BTA66 |
|---|---|
| Engine Brand | Briggs & Stratton® |
| Engine Model | PowerBuilt (31R907-0110) |
| Engine Displacement | 500cc |
| Engine Output | 17.5 HP |
| Cylinders | Single |
| Starter Type | Electric (ignition key) |
| Fuel Tank Capacity | 1.36 gal. US (5.15 L) |
| Fuel Delivery | Carburetor |
| Engine Oil Capacity | 1.8 qt. US (1.7 L) |
| Oil Filter | No |
| Lubrication | Fully pressurized |
| Charging System | 3 amp regulated |
| Air Filter | Dual element |
| Governor | Mechanical |
| Choke | Choke-a-matic |
| Battery | 135 CCA, AGM (Absorbent Glass Mat), 12V |
| Transmission | Troy-Bilt CVT |
| Transmission Control | Foot pedal |
| Transmission Housing | Aluminum |
| Forward Speed | 5 MPH / 8.1 km/h |
| Reverse Speed | 2.5 MPH / 4 km/h |
| Rear Axle | 3/4 in. |
| Deck Cutting Width | 46 in. |
| Deck Material | 12-gauge steel |
| Deck Construction | Stamped |
| Blades | Two |
| Deck Engagement (PTO) | Manual lever |
| Deck Lift | Hand lever |
| Cutting Height Range | 1.5 in. – 3.75 in. |
| Deck Positions | 5 |
| Anti-Scalping | 2 gauge wheels |
| Deck Wash | Yes |
| Frame | Robotically welded |
| Turning Radius | 18 in. |
| Front Pivot Bar | 14-gauge steel |
| Rear Tow Hitch | Yes |
| Corrosion Protection | Yes |
| Cruise Control | No |
| Brakes | Disc |
| Seat Type | Mid back, knob adjustment |
| Floor Mats | Rubber |
| Front Tires | 15 in. x 6 in. – 6 in. |
| Rear Tires | 20 in. x 8 in. – 8 in. |
| Tire Tread | Turf Saver |
| Headlights | Standard |
| Cup Holder | Yes |
| Operator Presence System | Yes |
| Mulch Kit | Available separately |
| Warranty | 2-year limited residential; frame, front axle and deck shell 2-year limited |
Additional information
| title | Default Title |
|---|
Troy Bilt Bronco 46B 17.5hp Briggs Engine 46″ Riding Lawn Mower #13AN78BTA66
$1,549.00
A 46 in. rider with a Step-Thru™ frame and AutoDrive™ foot-pedal transmission.
- 17.5 HP/500cc Briggs & Stratton® PowerBuilt
- 46 in. stamped steel side-discharge deck
- Mid-back adjustable seat, AGM battery
We provide a comprehensive 2-year warranty covering manufacturing defects and material failures.
Every blade undergoes rigorous quality control to ensure long-lasting performance and structural integrity.
Worldwide tracked delivery. Dispatched within 24 hours of order confirmation.
Not satisfied? Return any item within 90 days for a full refund, no questions asked.
Full technical details and material specifications are listed below.
The following collection features premium tools engineered from aerospace-grade titanium and high-tenacity Cordura to ensure peak mechanical performance and unwavering reliability in your daily professional carry.
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