Yanmar AF-170
The Yanmar AF-170 is a tractor produced by Yanmar. It is equipped with a 61.4 ci 1.0 L engine. The listed engine power is Diesel (listed): 16.8 hp / 12.5 kW. Transmission: 8 forward and reverse. Operating weight: 1631 lbs 739 kg.
Engine Power
Diesel (listed): 16.8 hp / 12.5 kW
Fuel & Capacities
5.3 gal
20.1 L
Transmission
8 forward and reverse
Operating Weight
1631 lbs
739 kg
Overview
 | 1997 - 2000
AF100 SeriesCompact Utility tractor
AF100 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Yanmar AF-170 Engine | |
|---|---|
Yanmar 1.0L 3-cyl diesel | |
Fuel tank | 5.3 gal
20.1 L |
Engine details ...  | |
Yanmar AF-170 Transmission | |
|---|---|
8-speed shuttle | |
Transmission details ...  |
Yanmar AF-170 Power | |
|---|---|
Engine | 16.8 hp
12.5 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Two-post ROPS. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 558@2500 |
805@2500 | |
1228@2500 | |
-745@2500 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 53.2 inches
135 cm |
Weight | 1631 lbs
739 kg |
Front tire | 6-12 |
Rear tire | 8.3-20 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 61.4 ci / 1.0 L Diesel
Manufacturer | Yanmar 3TNE74 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 61.4 ci
1.0 L |
Bore/Stroke | 2.91x3.07 inches
74 x 78 mm |
Power | 16.8 hp
12.5 kW |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 8 forward and reverse shuttle
Type | shuttle |
Gears | 8 forward and reverse |
 | |
Dimensions
Yanmar AF-170 Tires | |
|---|---|
Standard tires (ag) | Front: 6-12. Rear: 8.3-20 |
Dimensions | |
|---|---|
Wheelbase | 53.2 inches
135 cm |
Length | 103.2 inches
262 cm |
Width | 42.1 inches
106 cm |
Height | 74.4 inches
188 cm |
Weight | 1631 lbs
739 kg |
Ground clearance | 11.8 inches
29 cm |
Front tread | 33.9 inches
86 cm |
Rear tread | 32.7 inches
83 cm |
Photos
Yanmar AF-170 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar AF-170 based on its 16.8 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 Yanmar AF-170.
Estimated Continuous Field Runtime: 6.1 hrs
Approximately 6.1 hours of continuous field operation at ~75% rated power on a full tank (5.3 gal / 20.1 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.3 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
Yanmar AF-170 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar AF-170.
Converted Equivalents:
Horsepower (HP)16.8 hp
Kilowatts (kW)12.5 kW
Metric Horsepower (PS / CV)17 PS
Direct Competitor Comparison
Compare Yanmar AF-170 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar AF-170
Engine Power:Diesel (listed): 16.8 hp / 12.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 154 Lo-Boy
Engine Power:15.6
Production Years:1968 - 1974
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