Yard-Man 15.5
The Yard-Man 15.5 is a tractor produced by Yard Man Lawn Tractors. The listed engine power is Gasoline (listed): 15.5 hp / 11.6 kW. Transmission: 7 forward.
Engine Power
Gasoline (listed): 15.5 hp / 11.6 kW
Fuel & Capacities
1.5 gal
5.7 L
Transmission
7 forward
Overview
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Production | |
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Manufacturer | Yard-Man (a part of MTD) |
Model 13AO772H755 | |
Yard-Man 15.5 Engine | |
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15.5HP Briggs & Stratton gasoline | |
Fuel tank | 1.5 gal
5.7 L |
Engine details ...  | |
Yard-Man 15.5 Transmission | |
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7-speed | |
Transmission details ...  |
Mechanical | |
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Two-wheel drive |
Dimensions & Tires | |
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Front tire | 15x6 |
Rear tire | 20x8 |
Full dimensions and tires ...  | |
Electrical | |
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Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — Gasoline
Manufacturer | Briggs & Stratton |
Fuel Type | Gasoline |
Power | 15.5 hp
11.6 kW |
Starter volts | 12 |
Transmission
Transmission — 7 forward
Gears | 7 forward |
Dimensions
Yard-Man 15.5 Tires | |
|---|---|
Lawn/turf front | 15x6 |
Lawn/turf rear | 20x8 |
Dimensions |
|---|
Attachments
42" Mower deck | |
|---|---|
Type | mid-mount Yard-Man |
Cutting width | 42 inches
106 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Yard Man Lawn Tractors Yard-Man 15.5 based on its 15.5 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Yard Man Lawn Tractors Yard-Man 15.5.
Estimated Continuous Field Runtime: 1.9 hrs
Approximately 1.9 hours of continuous field operation at ~75% rated power on a full tank (1.5 gal / 5.7 L).
Estimated 75% Load Fuel Burn~0.8 gal/hr (3.1 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Yard Man Lawn Tractors Yard-Man 15.5 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yard Man Lawn Tractors Yard-Man 15.5.
Converted Equivalents:
Horsepower (HP)15.5 hp
Kilowatts (kW)11.6 kW
Metric Horsepower (PS / CV)15.7 PS
Direct Competitor Comparison
Compare Yard-Man 15.5 against same-era industry alternatives in the same horsepower class.
Current Model
Yard Man Lawn Tractors
Yard-Man 15.5
Engine Power:Gasoline (listed): 15.5 hp / 11.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester D-214
Engine Power:14
Production Years:1958 - 1962
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