NATPA  RPM Chart
Revised 3-21-2008*
Tractor		STD	10%	20%	30%
ALLIS CHALMERS		Div I	Div II & III	Div IV	Div V
	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		Div I	Div II & III	Div IV	Div V
	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 Gas or Dsl.)	1600	1760	1920	2080
	500 Dsl., 600, 900 Gas	1500	1650	1800	1950
	900 Dsl	1635	1799	1962	2126
COCKSHUTT		Div I	Div II & III	Div IV	Div V
	20	2000	2200	2400	2600
	30	1850	2035	2220	2405
	40, 50, 550, 560, 570	1850	2035	2220	2405
CO-OP - Duplex		Div I	Div II & III	Div IV	Div V
	No. 2	1750	1925	2100	2275
	No. 3	1850	2035	2220	2405
FARMALL		Div I	Div II & III	Div IV	Div V
	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			2575
	660	2638			3429
	W-9, WD 9	1650	1815	1980	2145
	W-40, WK-40	1925	2118	2310	2503
FORD		Div I	Div II & III	Div IV	Div V
	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		Div I	Div II & III	Div IV	Div V
	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		Div I	Div II & III	Div IV	Div V
	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		Div I	Div II & III	Div IV	Div V
	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		Div I	Div II & III	Div IV	Div V
	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			2535
	H-P 28-44	1250	1375	1500	1625
WARDS		Div I	Div II & III	Div IV	Div V
	Custom	2075	2283	2490	2698