Selected Nebraska Test Data
1930 - 1956
Model:Massey-Harris Pacemaker (Massey-Harris Co., Racine, Wis.)
Date Tested: August 10 to August 19 1936
tractor equipment:
- 10-36 rear tires
- 5.00-15 front tires
- 4 cylinder I-head Massey Harris engine, 1200 rpm, 3 7/8 inch bore X
5 1/4 inch stroke
- American Bosch U4 magneto
- Kingston carburetor
- Handy governor
- tractor weight: 4050 lbs
Test H Data:
- gear: 2
- speed: 3.67 mph
- load: 1658 lbs
- rated load: 16.21 drawbar horsepower
- fuel economy: 6.65 horsepower hours per gallon of distillate fuel
A maximum drawbar pull was achieved at 2.4 mph in low gear with 2878 lbs.
Fuel economy at Test C maximum load of 27.52 belt horsepower was
10.39 horsepower
hours per gallon. Test D rated load of 26.69 belt horsepower yielded
10.27 hp hours/gallon.
Model:Massey-Harris "101" S (Massey-Harris Co., Racine, Wis.)
Date Tested: May 22 to May 26, 1939
tractor equipment:
- 10-36 rear tires
- 5.00-15 front tires
- 6 cylinder L-head Chrysler T57-503 engine, 1500 and 1800 rpm, 3 1/8 inch bore X
4 3/8 inch stroke
- Auto-Lite electrical system
- tractor weight: 3805 lbs (steel wheels), 5725lbs (rubber tires)
Test H Data: (rubber tires)
- gear: 3
- speed: 4.52 mph
- load: 1987 lbs
- rated load: 23.94 drawbar horsepower
- fuel economy: 9.85 horsepower hours per gallon
Test H Data: (steel wheels)
- gear: 2
- speed: 3.68 mph
- load: 1862 lbs
- rated load: 18.29 drawbar horsepower
- fuel economy: 7.46 horsepower hours per gallon
Fuel economy at 1800 rpm maximum with a load of 36.15 belt horsepower was
10.89 horsepower
hours per gallon. Fuel economy at 1500 rpm with a rated load of 31.5 belt horsepower yielded
11.86 hp hours/gallon.
Model:Massey-Harris "101" R (Massey-Harris Co., Racine, Wis.)
Date Tested: May 22 to May 26, 1939
tractor equipment:
- 10-36 rear tires
- 5.00-15 front tires
- 6 cylinder L-head Chrysler T57-503 engine, 1500 and 1800 rpm, 3 1/8 inch bore X
4 3/8 inch stroke
- Auto-Lite electrical system
- tractor weight: 3805 lbs (steel wheels), 5725lbs (rubber tires)
Test H Data: (rubber tires)
- gear: 3
- speed: 4.8 mph
- load: 1946 lbs
- rated load: 24.79 drawbar horsepower
- fuel economy: 9.96 horsepower hours per gallon
Test H Data: (steel wheels)
- gear: 2
- load: 2138 lbs
- rated load: 20.76 drawbar horsepower
Test G resulted in a maximum drawbar load of 3233 lbs at 3.39 mph in second
gear with an output of 29.2 horsepower, on rubber tires.
Fuel economy at Test C maximum load of 38.65 belt horsepower was
11.67 horsepower hours per gallon, at 1800 rpm.
Test D rated load of 31.4 belt horsepower yielded
11.32 hp hours/gallon at 1500 rpm.
Model:Massey-Harris 101 R Junior (Massey-Harris Co., Racine, Wis.)
Date Tested: May 22 to May 26, 1939
tractor equipment:
- 10-36 rear tires
- 5.00-15 front tires
- 4 cylinder L-head Continental engine, 1500 and 1800 rpm, 3 inch bore X
4 3/8 inch stroke
- Schebler TSX-28 carburetor
- Auto-Lite electrical system
- Pierce Governor
- tractor weight: 4612 lbs
Test H Data:
- gear: 3
- speed: 4.45 mph
- load: 1384 lbs
- slippage: 4.98%
- rated load: 16.44 drawbar horsepower
- fuel economy: 9.75 horsepower hours per gallon
Fuel economy at Test C maximum load of 25.39 belt horsepower was
11.26 horsepower
hours per gallon. Test D rated load of 23.78 belt horsepower yielded
11.17 hp hours/gallon.
All drawbar tests used the 1500 rpm setting, and all belt tests used the
1800 rpm setting.
Model:Massey-Harris 101 R Junior (Massey-Harris Co., Racine, Wis.)
Date Tested: October 7 to October 12, 1940
tractor equipment:
- 10-36 rear tires
- 4.75-15 front tires
- 4 cylinder L-head Continental engine, 1500 and 1800 rpm, 3 3/16 inch bore X
4 3/8 inch stroke
- Marvel-Schebler TSX-28 carburetor
- Auto-Lite electrical system
- tractor weight: 4825 lbs
Test H Data:
- gear: 3
- speed: 4.42 mph
- load: 1648 lbs
- slippage: 4.94%
- rated load: 19.94 drawbar horsepower
- fuel economy: 10.22 horsepower hours per gallon
Test G returned a maximum operating pull of 3278 lbs at 2.09 mph with a
slippage of 16.18%. Fuel economy at Test C maximum load of 30.15 belt horsepower was
11.75 horsepower
hours per gallon. Test D rated load of 27.57 belt horsepower yielded
11.59 hp hours/gallon.
All drawbar tests used the 1500 rpm setting, and all belt tests used the
1800 rpm setting.
Model:Massey-Harris "81" R (Massey-Harris Co., Racine, Wis.)
Date Tested: September 29 to October 20, 1941
tractor equipment:
- 9-32 rear tires
- 4.00-15 front tires
- 4 cylinder L-head Continental engine, 1500 and 1800 rpm, 3 inch bore X
4 3/8 inch stroke
- Marvel-Schebler TSX-28 carburetor
- Auto-Lite electrical system
- tractor weight: 2895 lbs
Test H Data:
- gear: 3
- speed: 4.63 mph
- load: 1330 lbs
- slippage: 4.51%
- rated load: 16.41 drawbar horsepower
- fuel economy: 9.6 horsepower hours per gallon
Test G returned a maximum operating pull of 2898 lbs in
low gear. Fuel economy at Test C maximum load of 26.08 belt horsepower was
11.39 horsepower
hours per gallon. Test D rated load of 24.17 belt horsepower yielded
10.91 hp hours/gallon.
Model:Massey-Harris 101 R (Massey-Harris Co., Racine, Wis.)
Date Tested: September 30 to October 20, 1941
tractor equipment:
- 11-38 rear tires
- 5.00-15 front tires
- 6 cylinder L-head Chrysler engine, 1500 and 1800 rpm, 3 1/4 inch bore X
4 3/8 inch stroke
- tractor weight: 3865 lbs
Test H Data:
- gear: 3
- speed: 4.78 mph
- load: 2204 lbs
- slippage: 4.91%
- rated load: 28.08 drawbar horsepower
- fuel economy: 10.05 horsepower hours per gallon
Test G returned a maximum operating pull of 3905 lbs in
low gear. Fuel economy at Test C maximum load of 44.11 belt horsepower was
11.92 horsepower
hours per gallon. Test D rated load of 40.9 belt horsepower yielded
11.56 hp hours/gallon.
Model:Massey-Harris 44 RT (Massey-Harris Co., Racine, Wis.)
Date Tested: October 29 to November 12, 1947
tractor equipment:
- 12-38 rear tires
- 5.50-16 front tires
- 4 cylinder I-head engine, 1350 rpm, 3 7/8 inch bore X 5 1/2 inch stroke
- Auto-Lite battery and ignition system
- Zenith 62AJ10 carburetor
Test H Data:
- gear: 3
- speed: 4.74 mph
- load: 2472 lb
- slippage: 5.23%
- overall tractor weight: 4274 lbs
- fuel economy: 10.19 horsepower hours per gallon
Test G Data:
- gear: 1
- speed: 2.48 mph
- load: 4612 lbs
- added ballast: 544 lbs liquid, 701 lbs cast iron per rear wheel
- overall tractor weight: 6925 lbs
At maximum operating load of 44.07 belt horsepower, economy was 11.9
horsepower hours per gallon. Test D rated load of 40 belt horsepower yielded
economy of 11.78 hp hours/gallon
Model:Massey-Harris 55 (Massey-Harris Co., Racine, Wis.)
Date Tested: May 18 to May 27, 1948
tractor equipment:
- 14-34 rear tires
- 7.80-18 front tires
- 4 cylinder I-head engine, 1350 rpm, 4 1/2 inch bore X 6 inch stroke
- Auto-Lite battery and ignition system
- Zenith 62AJ10 carburetor
Test H Data:
- gear: 3
- speed: 4.97 mph
- load: 3101 lb
- slippage: 5.09%
- overall tractor weight: 7223 lbs
- rated load: 41.1 drawbar horsepower
- fuel economy: 10.09 horsepower hours per gallon
811 lbs of liquid ballast and 420 lbs of cast iron ballast were added to
each rear wheel for tests F, G and H. Fuel economy at Test C maximum load
of 55.72 belt horsepower was 11.78 horsepower hours per gallon. Test D rated
load of 52.22 belt horsepower yielded 11.37 hp hours/gallon.
Model:Massey-Harris Pony (Massey-Harris Co., Toronto, Ont.)
Date Tested: September 14 to September 22, 1948
tractor equipment:
- 8-24 rear tires
- 4.00-15 front tires
- 4 cylinder L-head engine, 1800 rpm, 2 3/8 inch bore X 3 1/2 inch stroke
- Auto-Lite battery and ignition system
- Marvel Schebler TSV24 carburetor
Test H Data:
- gear: 3
- speed: 3.52 mph
- load: 891 lbs
- slippage: 4.96%
- overall tractor weight: 1890 lbs
- rated load: 8.36 drawbar horsepower
- fuel economy: 9.02 horsepower hours per gallon
Fuel economy at Test C maximum load of 10.71 belt horsepower was 10.33 horsepower
hours per gallon. Test D rated load of 10.38 belt horsepower yielded
10.07 hp hours/gallon.
Model:Massey-Harris 22 RT (Massey-Harris Co., Racine, Wis.)
Date Tested: October 15 to October 21, 1948
tractor equipment:
- 10-28 rear tires
- 4.00-15 front tires
- 4 cylinder L-head Continental Red Seal engine, 1800 rpm, 3 3/16 inch bore X
4 3/8 inch stroke
- Auto-Lite battery and ignition system
- Marvel Schebler TSX34 carburetor
Test H Data:
- gear: 3
- speed: 4.4 mph
- load: 1530 lbs
- slippage: 4.9%
- overall tractor weight: 2928 lbs
- rated load: 17.95 drawbar horsepower
- fuel economy: 9.91 horsepower hours per gallon
322 lbs of liquid ballast and 475 lbs of cast iron ballast were added to
each rear wheel for test G, for a a maximum operating pull of 2808 lbs in
low gear. Fuel economy at Test C maximum load of 29.94 belt horsepower was 11.65 horsepower
hours per gallon. Test D rated load of 26.92 belt horsepower yielded
11.33 hp hours/gallon.
Model:Massey-Harris 30 RT (Massey-Harris Co., Racine, Wis.)
Date Tested: May 12 to May 25, 1949
tractor equipment:
- 10-38 rear tires
- 5.00-15 front tires
- 4 cylinder L-head Continental Red Seal engine, 1800 rpm, 3 7/16 inch bore X
4 3/8 inch stroke
- Auto-Lite battery and ignition system
- Marvel Schebler TSX308 carburetor
Test H Data:
- gear: 3
- speed: 4.26 mph
- load: 1817 lbs
- slippage: 4.6%
- overall tractor weight: 3667 lbs plus 1598 lbs ballast
- rated load: 20.64 drawbar horsepower
- fuel economy: 9.72 horsepower hours per gallon
799 lbs of ballast was added to each rear wheel for tests F, G, and H. Test
G resulted in a low-gear maximum pull of 3273 lbs. Fuel economy at Test C maximum
load of 33.03 belt horsepower was 11.09 horsepower
hours per gallon. Test D rated load of 30.09 belt horsepower yielded
10.84 hp hours/gallon.
Model:Massey-Harris 44 Diesel Standard (Massey-Harris Co., Racine, Wis.)
Date Tested: September 28 to October 1, 1949
tractor equipment:
- 4 cylinder I-head diesel engine, 1350 rpm, 3 7/8 inch bore X
5 1/2 inch stroke
- 12V Auto-Lite electrical system
- Bosch fuel injection system
- tractor weight: 5085 lbs
Test H Data:
- gear: 3
- speed: 4.26 mph
- load: 2608 lbs
- slippage: 5.5%
- rated load: 29.64 drawbar horsepower
- fuel economy: 14.13 horsepower hours per gallon
1116 lbs of ballast was added to each rear wheel for tests F, G, and H. Test
G resulted in a low-gear maximum pull of 4351 lbs. Fuel economy at Test C maximum
load of 41.82 belt horsepower was 15.88 horsepower
hours per gallon. Test D rated load of 36.67 belt horsepower yielded
16.08 hp hours/gallon.
Model:Massey-Harris 44K Standard (Massey-Harris Co., Racine, Wis.)
Date Tested: September 29 to October 14, 1949
tractor equipment:
- 4 cylinder I-head engine, 1350 rpm, 3 7/8 inch bore X
5 1/2 inch stroke
- 6V Auto-Lite electrical system
- Zenith 62AJ10 carburetor
- tractor weight: 5085 lbs
Test H Data:
- gear: 3
- speed: 4.29 mph
- load: 2608 lbs
- slippage: 4.4%
- rated load: 27.7 drawbar horsepower
- fuel economy: 10.42 horsepower hours per gallon
1116 lbs of ballast was added to each rear wheel for tests F, G, and H. Test
G resulted in a low-gear maximum pull of 4692 lbs. Fuel economy at Test C maximum
load of 35.66 belt horsepower was 11.3 horsepower
hours per gallon. Test D rated load of 33.64 belt horsepower yielded
11.19 hp hours/gallon. Tractor fuel was used for the 45.5 hours
of engine running time for this test.
Model:Massey-Harris 55K Standard (Massey-Harris Co., Racine, Wis.)
Date Tested: October 3 to October 14, 1949
tractor equipment:
- 4 cylinder I-head engine, 1350 rpm, 4 1/2 inch bore X
6 inch stroke
- 6V Auto-Lite electrical system
- Zenith 62AJ10 carburetor
- tractor weight: 7265 lbs
Test H Data:
- gear: 3
- speed: 5.22 mph
- load:N/A
- slippage: 4.4%
- rated load: 37.25 drawbar horsepower
- fuel economy: 10.16 horsepower hours per gallon
1120 lbs of ballast was added to each rear wheel for a portion of the tests. Test
G resulted in a low-gear maximum pull of 5546 lbs. Fuel economy at Test C maximum
load of 49.09 belt horsepower was 11.46 horsepower
hours per gallon. Test D rated load of 46.44 belt horsepower yielded
11.07 hp hours/gallon. 2 spark plugs were replaced on this tractor during
the running of test D.
Model:Massey-Harris 55 Diesel (Massey-Harris Co., Racine, Wis.)
Date Tested: October 17 to October 26, 1950
tractor equipment:
- 4 cylinder I-head diesel engine, 1350 rpm, 4 1/2 inch bore X
6 inch stroke, 382 cubic inches displacement
- 12V Auto-Lite electrical system
- Bosch fuel injection system
- tractor weight: 7793 lbs
Test H Data:
- gear: 3
- speed: 5.22 mph
- load: 2967 lbs
- slippage: 5.44%
- rated load: 41.32 drawbar horsepower
- fuel economy: 14.13 horsepower hours per gallon
1181 lbs of ballast was added to each rear wheel for tests F, G, and H. Test
G resulted in a low-gear maximum pull of 5865 lbs at 2.62 mph. Fuel economy at Test C maximum
load of 59.04 belt horsepower was 15 horsepower
hours per gallon. Test D rated load of 51.35 belt horsepower yielded
15.47 hp hours/gallon.
Model:Massey-Harris 55 (Massey-Harris Co., Racine, Wis.)
Date Tested: April 16 to May 7, 1951
tractor equipment:
- 4 cylinder I-head engine, 1350 rpm, 4 1/2 inch bore X
6 inch stroke, 382 cubic inches displacement
- Auto-Lite electrical system
- tractor weight: 7520 lbs
Test H Data:
- gear: 3
- speed: 5.05 mph
- load: 3252 lbs
- slippage: 4.63%
- rated load: 45.66 drawbar horsepower
- fuel economy: 10.38 horsepower hours per gallon
1460 lbs of ballast was added to each rear wheel for tests F, G, and H. Test
G resulted in a low-gear maximum pull of 6377 lbs at 2.63 mph under a
slippage of 16.42%. Fuel economy at Test C maximum
load of 63.5 belt horsepower was 12.15 horsepower
hours per gallon. Test D rated load of 58.05 belt horsepower yielded
12.07 hp hours/gallon.
Model:Massey-Harris 33 RT (Massey-Harris Co., Racine, Wis.)
Date Tested: October 10 to October 24 1953
tractor equipment:
- 12-38 rear tires
- 5.50-16 front tires
- 4 cylinder I-head engine, 1500 rpm, 3 5/8 inch bore X
4 7/8 inch stroke, 201 CID
- tractor weight: 5191 lbs
Test H Data:
- gear: 3
- speed: 4.59 mph
- load: 2288 lbs
- slippage: 5.51%
- rated load: 28.02 drawbar horsepower
- fuel economy: 10.78 horsepower hours per gallon
910 lbs of ballast was added to each rear wheel for some tests. Test
G resulted in a low-gear maximum pull of 4456 lbs at 2.32 mph. Fuel economy at Test C maximum
load of 36.23 belt horsepower was 12.25 horsepower
hours per gallon. Test D rated load of 34.39 belt horsepower yielded
12.10 hp hours/gallon. Engine peak torque was 258.1 foot-pounds at 924 rpm.
Model:Massey-Harris 44 Special ST (Massey-Harris Co., Racine, Wis.)
Date Tested: October 10 to October 24, 1952
tractor equipment:
- 4 cylinder I-head engine, 1350 rpm, 4 inch bore X
5 1/2 inch stroke, 277 CID
- 14-30 rear tires
- 7.50-16 front tires
- tractor weight: 5789 lbs
Test H Data:
- gear: 3
- speed: 4.41 mph
- load: 2948 lbs
- slippage: 5.34%
- rated load: 34.71 drawbar horsepower
- fuel economy: 11.06 horsepower hours per gallon
1316 lbs of ballast was added to each rear wheel for certain tests. Test
G resulted in a low-gear maximum pull of 5341 lbs at 1.94 mph. Fuel economy at Test C maximum
load of 45.23 belt horsepower was 11.3 horsepower
hours per gallon. Test D rated load of 42.81 belt horsepower yielded
12.34 hp hours/gallon. Engine peak torque was 308.9 foot-pounds at 968 rpm.
The gear shift lever broke at a welded joint after test H was run.
Model:Massey-Harris NO. 16 Pacer (Massey-Harris-Ferguson, Toronto, Ont.)
Date Tested: November 10 to November 15, 1954
tractor equipment:
- Continental 4 cylinder L-head engine, 1800 rpm, 2 7/8 inch bore X
3 1/2 inch stroke, 91 CID
- 14-30 rear tires
- 4-15 front tires
- tractor weight: 2299 lbs
Test H Data:
- gear: 2
- speed: 3.85 mph
- load: 1269 lbs
- slippage: 5.34%
- rated load: 13.03 drawbar horsepower
- fuel economy: 9.33 horsepower hours per gallon
585 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 2118 lbs at 2.77 mph with a
slippage of 10.3%. Fuel economy at Test C maximum
load of 17.88 belt horsepower was 10.54 horsepower
hours per gallon. Test D rated load of 16.35 belt horsepower yielded
10.39 hp hours/gallon. Engine torque peaked at 120.4 foot-pounds at 1102
rpm.
Model:Massey-Harris 444 Diesel (Massey-Harris-Ferguson Inc., Racine, Wis.)
Date Tested: June 2 to June 14, 1956
tractor equipment:
- 4 cylinder I-head diesel engine, 1500 rpm, 4 inch bore X
5 1/2 inch stroke, 277 CID
- 13-38 rear tires
- 6.50-16 front tires
- tractor weight: 6499 lbs
Test H Data:
- gear: 3, high range
- speed: 5.08 mph
- load: 2591 lbs
- slippage: 4.14%
- rated load: 35.07 drawbar horsepower
- fuel economy: 13.93 horsepower hours per gallon
1533 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 6463 lbs at 1.34 mph with a
slippage of 13.77%. Fuel economy at Test B maximum
load of 48.21 belt horsepower was 15.06 horsepower
hours per gallon. Test D rated load of 43.29 belt horsepower yielded
15.59 hp hours/gallon.
Model:Massey-Harris 333 Diesel (Massey-Harris-Ferguson Inc., Racine, Wis.)
Date Tested: June 8 to June 13, 1956
tractor equipment:
- 4 cylinder I-head diesel engine, 1500 rpm, 3 11/16 inch bore X
4 7/8 inch stroke, 208 CID
- 12-38 rear tires
- 6.50-16 front tires
- tractor weight: 6005 lbs
Test H Data:
- gear: 3, high range
- speed: 4.93 mph
- load: 2017 lbs
- slippage: 3.7%
- rated load: 26.53 drawbar horsepower
- fuel economy: 13.26 horsepower hours per gallon
858 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 5262 lbs at 1.29 mph with a
slippage of 13.48%. Fuel economy at Test B maximum
load of 37.15 belt horsepower was 14.08 horsepower
hours per gallon. Test D rated load of 32.79 belt horsepower yielded
14.78 hp hours/gallon.
Model:Massey-Harris 50 (Massey-Harris-Ferguson Inc., Detroit, Mich.)
Date Tested: September 25 to October 4, 1956
tractor equipment:
- Continental 4 cylinder engine, 2000 rpm, 3 5/16 inch bore X
3 7/8 inch stroke, 134 CID
- 11-28 rear tires
- 6.00-16 front tires
- tractor weight: 3432 lbs
Test H Data:
- gear: 1, high range
- speed: 5.12 mph
- load: 1766 lbs
- slippage: 4.33%
- rated load: 24.09 drawbar horsepower
- fuel economy: 9.74 horsepower hours per gallon
920 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 3525 lbs at 1.14 mph with a
slippage of 15.23%. Fuel economy at Test C maximum
load of 31.36 belt horsepower was 11.47 horsepower
hours per gallon. Test D rated load of 29.4 belt horsepower yielded
10.97 hp hours/gallon.
Model:Massey-Harris 444 LP (Massey-Harris-Ferguson Inc., Racine, Wis.)
Date Tested: October 25 to November 3, 1956
tractor equipment:
- 4 cylinder I-head LP gas engine, 1500 rpm, 4 inch bore X
5 1/2 inch stroke, 277 CID
- 8.98:1 compression ratio
- 13-38 rear tires
- 6.50-16 front tires
- tractor weight: 6385 lbs
Test H Data:
- gear: 3, high range
- speed: 5.07 mph
- load: 2596 lbs
- slippage: 3.96%
- rated load: 35.11 drawbar horsepower
- fuel economy: 8.32 horsepower hours per gallon of propane fuel
1558 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 6534 lbs at 1.33 mph with a
slippage of 14.04%. Fuel economy at Test C maximum
load of 47.54 belt horsepower was 9.96 horsepower
hours per gallon. Test D rated load of 43.84 belt horsepower yielded
9.73 hp hours/gallon.
Model:Massey-Harris 333 (Massey-Harris-Ferguson Inc., Racine, Wis.)
Date Tested: October 25 to November 3, 1956
tractor equipment:
- 4 cylinder I-head engine, 1500 rpm, 3 11/16 inch bore X
4 7/8 inch stroke, 208 CID
- 12-38 rear tires
- 6.50-16 front tires
- tractor weight: 5920 lbs
Test H Data:
- gear: 3, high range
- speed: 4.93 mph
- load: 2262 lbs
- slippage: 3.76%
- rated load: 29.71 drawbar horsepower
- fuel economy: 10.69 horsepower hours per gallon
1028 lbs of ballast was added to each rear wheel for tests F, G and H. Test
G resulted in a low-gear maximum pull of 5407 lbs at 1.31 mph with a
slippage of 12.08%. Fuel economy at Test C maximum
load of 39.84 belt horsepower was 12.37 horsepower
hours per gallon. Test D rated load of 37.11 belt horsepower yielded
12.33 hp hours/gallon.
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Last updated: June 13, 1996