caterpillar fifty

1931 - 1937

Agricultural Crawler tractor

Agricultural Crawler tractor

NTTL 204: gasoline 4-speed crawler

NTTL 214: 11.4L diesel 4-speed crawler

NTTL 240: 13.6L diesel (850 rpm) 4-speed crawler

NTTL 241: 13.6L diesel (1000 rpm) 4-speed crawler

Gasoline 4-speed crawler May 18 - June 11, 1932 Link: Nebraska Tractor Test 204 file

Belt power (max)

56.14 hp 41.9 kW

Belt fuel use (max)

6.7 gal/hour 25.4 l/hour

Drawbar performance

Max power

49.30 hp 36.8 kW

Gear 1 used for power test.

Max pull

12061 lbs 5470 kg

Gear 1 used for pull test.

11.4L diesel 4-speed crawler May 17 - June 2, 1933 Link: Nebraska Tractor Test 214 file

Belt power (max)

61.26 hp 45.7 kW

Belt fuel use (max)

4.6 gal/hour 17.4 l/hour

Drawbar performance

Max power

52.61 hp 39.2 kW

Gear 1 used for power test.

Max pull

12765 lbs 5790 kg

Gear 1 used for pull test.

13.6L diesel (850 rpm) 4-speed crawler August 19 - 29, 1935 Link: Nebraska Tractor Test 240 file

Belt power (max)

61.04 hp 45.5 kW

Belt fuel use (max)

4.1 gal/hour 15.5 l/hour

Drawbar performance

Max power

52.99 hp 39.5 kW

Gear 2 used for power test.

Max pull

13109 lbs 5946 kg

Gear 1 used for pull test.

13.6L diesel (1000 rpm) 4-speed crawler August 29 - September 16, 1935 Link: Nebraska Tractor Test 241 file

Belt power (max)

71.81 hp 53.5 kW

Belt fuel use (max)

5.1 gal/hour 19.3 l/hour

Drawbar performance

Max power

64.38 hp 48.0 kW

Gear 1 used for power test.

Max pull

13490 lbs 6119 kg

Gear 1 used for pull test.