​​Southern Ohio Antique Tractor Pullers Association, Inc.

SOATPA ​

SOATPA  RPM Chart
Revised 3-21-2008*
ALLIS CHALMERS Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
A 1150 1265 1380 1495
B,C 1850 2035 2220 2405
CA* 2075 2282 2490 2697
U 1200 1320 1440 1560
WC,WD,WD45 1720 1892 2064 2236
WD45 Dsl 1975 2173 2370 2568
D-17 Gas, D-17 Dsl 1995 2195 2394 2594
CASE Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
C, CC, D, DC 1390 1529 1668 1807
L, LA 1200 1320 1440 1560
SC 1760 1936 2112 2288
301, 311 1948 2143 2338 2532
VAC, (401 GA OR Dsl.) 1600 1760 1920 2080
500 Dsl, 600, 900 Gas 1500 1650 1800 1950
900 Dsl 1635 1799 1962 2126
COCKSHUTT Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
20 2000 2200 2400 2600
30 1850 2035 2220 2405
40, 50, 550, 560, 570 1850 2035 2220 2405
CO-OP Duplex Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
No. 2 1750 1925 2100 2275
No. 3 1850 2035 2220 2405
FARMALL Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
A, B, F-12, F-14 1550 1705 1860 2015
F-20, F-30, 10-20 1350 1485 1620 1755
C, SC, 200 1815 1997 2178 2360
300, 350 Gas or Dsl 1925 2118 2310 2503
350-U Gas or Dsl 2200 2420 2640 2860
H, Su H 1864 2050 2237 2423
M, Su M, W-6, Gas or Dsl 1600 1760 1920 2080
400, 450 Gas or Dsl 1600 1760 1920 2080
460, 560 1981 2179 2377 2575
660 2638 2902 3166 3429
W-9, WD 9 1650 1815 1980 2145
W-40, WK-40 1925 2118 2310 2503
FORD Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
8N 2330 2563 2796 3029
9N 2200 2420 2640 2860
600, 700, 800, 900, 940 2250 2475 2700 2925
650, 750, 950, 960 2450 2695 2940 3185
Ford SN Major Dsl 1900 2090 2280 2470
JOHN DEERE Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
A, G, 60, 70-G 1115 1227 1338 1450
B, 50 1375 1513 1650 1788
D 980 1078 1176 1274
R, 70-D, 620, 630 1250 1375 1500 1625
720, 730, 820, 830        
40, 420 2025 2228 2430 2633
M, MT 1925 2118 2310 2503
MASSEY HARRIS Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
33, 333, 444 1700 1870 2040 2210
44, 44-S, 55 1500 1650 1800 1950
101-JR (4 Cyl), 22, 30 2050 2255 2460 2665
101-SR (6 Cyl) 1980 2178 2376 2574
Su 95 1740 1914 2088 2262
50 2200 2420 2640 2860
MINNEAPOLIS MOLINE Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
R, Z, 5-Star, GBD 1650 1815 1980 2145
U, UB, G 1430 1573 1716 1859
GVI 1740 1914 2088 2262
445 Gas 1700 1870 2040 2210
445 Dsl 1925 2118 2310 2503
OLIVER Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
60 1650 1815 1980 2145
70 1640 1804 1968 2132
80, 99 (4 Cyl) 1300 1430 1560 1690
Su 55, Su 66 2200 2420 2640 2860
66, 77, 88, Super 77 or 88 1750 1925 2100 2275
99-GM 1840 2024 2208 2392
770, 880 1950 2145 2340 2535
H-P 28-44 1250 1375 1500 1625
WARDS Divisions 1, 2, 2T, 3, 4, 5
  STD 10% 20% 30%
Custom 2075 2283 2490 2698