Best Sixty
The Best Sixty is a tractor produced by Best. It is equipped with a 1128.2 ci 18.5 L engine. The rated power output is 73 hp 54.4 kW. Transmission: 3 forward and 1 reverse. Drive type: crawler. Operating weight: 17500 lbs 7938 kg.
Engine Power
73 hp
54.4 kW
Drive & Traction
crawler
Fuel & Capacities
Gasoline
Transmission
3 forward and 1 reverse
Operating Weight
17500 lbs
7938 kg
Best Sixty Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1919 - 1925
Agricultural Crawler tractor |
|---|---|
1919 - 1925 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Best |
Agricultural Crawler tractor | |
Built in San Leandro, CA | |
Best Sixty Engine | |
|---|---|
Best 18.5L 4-cyl gasoline | |
Engine details ...  |
Best Sixty Power | |
|---|---|
Plows | 9 (14-inch) |
Drawbar (tested) | 56 hp
41.8 kW |
Belt (tested) | 73 hp
54.4 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 17500 lbs
7938 kg |
Tracks | |
Full dimensions and tracks ...  | |
Belt Pulley | |
|---|---|
Diameter | 16 inches
40 cm |
Width | 12 inches
30 cm |
RPM | 650 |
Speed | 2720 ft/min
829.06 meters/min |
Engine
Engine Detail — 1128.2 ci / 18.5 L Gasoline
Manufacturer | Best |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 1128.2 ci
18.5 L |
Bore/Stroke | 6.50x8.50 inches
165 x 216 mm |
Rated RPM | 650 |
Transmission
Transmission options | |
|---|---|
2-speed gear | |
3-speed gear |
Transmission — 2 forward and 1 reverse gear
Type | gear |
Gears | 2 forward and 1 reverse |
 | |
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Dimensions
Best Sixty Tracks |
|---|
Dimensions | |
|---|---|
Length | 140 inches
355 cm |
Width | 90 inches
228 cm |
Height | 76.5 inches
194 cm |
Weight | 17500 lbs
7938 kg |
Tests
Tractor Tests | |
|---|---|
NTTL 76: gasoline 2-speed crawler | |
NTTL 98: gasoline 3-speed crawler | |
NTTL 105: gasoline 3-speed crawler |
Nebraska Tractor Test 76 | |
|---|---|
Gasoline 2-speed crawler
May 6 - 24, 1921
Link: Nebraska Tractor Test 76 file | |
Belt power (max) | 56 hp
41.8 kW |
Drawbar performance | |
Max power | 50 hp
37.3 kW |
Max pull | 11,000 lbs
4989 kg |
Nebraska Tractor Test 98 | |
|---|---|
Gasoline 3-speed crawler
September 10 - 14, 1923
Link: Nebraska Tractor Test 98 file | |
Belt power (max) | 66 hp
49.2 kW |
Drawbar performance | |
Max power | 56 hp
41.8 kW |
Max pull | 11295 lbs
5123 kg |
Nebraska Tractor Test 105 | |
|---|---|
Gasoline 3-speed crawler
September 15 - 29, 1924
Link: Nebraska Tractor Test 105 file | |
Belt power (max) | 73 hp
54.4 kW |
Drawbar performance | |
Max pull | 12360 lbs
5606 kg |
Photos
Best 60, front view.
Best 60, right side.
Related models
Best 75
- Power:
- 83.3
- Production years:
- 1913 - 1924
Best Thirty
- Power:
- 33.8
- Production years:
- 1921 - 1925