Tractors > John Deere > 620

John Deere 620 Tests



John Deere 620 tractor photo
1956 - 1958
Two-Cylinder 20 Series
Row-Crop tractor
Series map:
520
620
720
41.4hp*
53.3hp*
65.6hp*
*Estimated engine power for comparison only.
Tractor Tests
NTTL 591: LP gas 6-speed 2WD
NTTL 598: gasoline 6-speed 2WD
NTTL 604: tractor fuel 6-speed 2WD
Nebraska Tractor Test 591
620 fuel use from test 591
Nebraska Tractor Test 591
LP gas 6-speed 2WD
September 6 - 11, 1956
Link: Nebraska Tractor Test 591 file
Belt power (max)49.19 hp
36.7 kW
Belt fuel use (max)5.2 gal/hour
19.7 l/hour
Drawbar performance
Max power44.81 hp
33.4 kW
Gear 4 used for power test.
Max pull5,920 lbs
2685 kg
Gear 2 used for pull test.
Nebraska Tractor Test 598
620 fuel use from test 598
Nebraska Tractor Test 598
Gasoline 6-speed 2WD
October 10 - 15, 1956
Link: Nebraska Tractor Test 598 file
Belt power (max)46.75 hp
34.9 kW
Belt fuel use (max)4.2 gal/hour
15.9 l/hour
Drawbar performance
Max power42.40 hp
31.6 kW
Gear 4 used for power test.
Max pull6,122 lbs
2776 kg
Gear 1 used for pull test.
Nebraska Tractor Test 604
620 fuel use from test 604
Nebraska Tractor Test 604
Tractor fuel 6-speed 2WD
November 1 - 8, 1956
Link: Nebraska Tractor Test 604 file
Belt power (max)34.57 hp
25.8 kW
Belt fuel use (max)3.4 gal/hour
12.9 l/hour
Drawbar performance
Max power32.37 hp
24.1 kW
Gear 4 used for power test.
Max pull6,107 lbs
2770 kg
Gear 1 used for pull test.
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Updated on January 3, 2020
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