Caterpillar Model PA1-PA13516
Mfg. Dates 7/1/25-12/30/31
Weight 20500lbs.
Gauge 72″
Drawbar HP 65
Belt/PTO HP 77
Cylinders bore and stroke 4@ 6-1/2″x8-1/2″
RPM 650
Fuel Cap. 70 gals.
1925 2236A-2965A
Changed from Best after Serial Number 2547
2554 A Orman Haenggi
2573 A Orman Haenggi former Heidrick Museum CA.
2581 A Hamel Family Klamath Falls OR.
2670 Traynham Ranches Arbuckle CA.
2678 A Former Bud Roberts MO
2709 A Peter Proposch Queensland AU.
1926 2966A-3685A
3053 A Former Heidrick Tractor
3145 A Bill Aloia West Orange NJ. Canopy Diesel
3331 A Dave Smith Woodburn OR. Canopy Lights Pull Hook
3368 A Phillips Family
3518 A Russell Turner Orangeville CA.
3530 A Mike Staples Lodi CA.
3548 Traynham Ranches Arbuckle CA.
3580 A Mike Staples Lodi CA.
3635 Traynham Ranches Arbuckle CA.
1927 3686A-4034A
3702 A Frank Buck Gettysburg PA. Canopy Lights
3921 A Scott Moulding Ogden UT. Diesel conversion 8800 engine Former George Howard
3927 A Mike Staples Lodi CA.
3955 A Doug Peltzer Porterville CA.
4017 A Doug Peltzer Porterville CA.
1928 4035A-4589A
4101 A Piet Verschelde, Belgium
4232 A Jack Wallace WoodLand CA.
4253 A Jack Wallace WoodLand CA.
4258 A Jack Wallace WoodLand CA.
4315 A Jack Wallace WoodLand CA.
4359 A Mahan Canterbury NZ.
4397 Traynham Ranches Arbuckle CA.
4400 A Tom Madden Paso Robles CA.
1929 4590A-5149A
4641 A Tom Madden Paso Robles CA.
4793 A Randy Moulding Odgen UT.
4795 A Tom Madden Paso Robles CA.
4914 A Omnitrac Cpve OR.
4915 A Doug Veerkamp Placerville CA.
5076 A Doug Veerkamp Placerville CA. Diesel
5113 A Doug Veerkamp Placerville CA.
1930 5150A-5532A
5175 A Antique Mechanic Club UC Davis CA.
5221 A Matakohe Museum North Island NZ.
5305 A Antique Mechanic Club UC Davis CA.
5347 A Antique Mechanic Club UC Davis CA.
5381 A Antique Mechanic Club UC Davis CA.
5470 Omnitrac Cove OR.
5479 A Yearbury Cambridge NZ.
5504 A Antique Mechanic Club UC Davis CA.
5518 A Randy Moulding Odgen UT.
1925 PA1-PA18
1926 PA19-PA1301
PA 322 Brendt Manawatu NZ.
PA 545 Roger Martin OH.
PA 1085 Bob Kroeker Round Rock Tx.
1927 PA1302-PA2825
PA 1196 Omnitrac Cove OR.
PA 1354 Jermey Williams Piedmont SD.
PA 1333 Lane Stamper Leavenworth KS.
PA 1518 Chapter 1 CO.
PA 1766 Dan Voght Hantford City IN
PA 1814 Billy Saunders VA.
PA 2125 Jon Mark Horta Atwater CA.
PA 2670 Traynham Ranches Arbuckle CA.
PA 2691 Dave Wintermute Annandale NJ. restored with cab
PA 2775 William Aloia Livingston NJ. Canopy
1928 PA2826-PA5137
PA 3003 Neil Clydsdale & Greg Miller Vic Australia euclid blade from factory
PA 3548 Traynham Ranches Arbuckle CA.
PA 3549 Patrick Yankelunas Youngstown NY.
PA 3597 Omnitrac Cove OR.
PA 3635 Traynham Ranches Arbuckle CA. PM
PA 4397 Traynham Ranches Arbuckle CA. PM
PA 4616 Former Sylvester Tractor
PA 5037 Neil Clydsdale Vic Australia cold weather cab, pto
1929 PA5138-PA8640
PA 5376 Omnitrac Cove OR.
PA 5534 Tom Ielmorini CA. former Antique Mechanic Club UC Davis CA. and Former Bud Roberts Estate
PA 5599 Marin Hicks S.W. Mantioba Canada
PA 5673 David Shearns Marion NY Canopy
PA 6193 Ken Eder Carthage NC.
PA 6330 USA
PA 6446 Antique Mechanic Club UC Davis CA.
PA 8573 Marc Geerkens Belgium
PA 8619 David Wintermute Annandale NJ. Cable Blade
1930 PA8641-PA12498
PA 9168 Gib and Bill Thurman Adrian MO. former Wendell Stegner Harrisonville MO.
PA 9223 Scott Hayes Molalla OR.
PA 9411 Phil Thompson Harper KS.
PA 9498 Baxter Family Warren OH.
PA 9501 Omnitrac Cove OR.
PA 9573 Omnitrac Cove OR.
PA 9825 Former Don Clough Gardiner ME.
PA 9929 Ken Eder Carthage NC.
PA 9935 Peter Proposch Queensland AU.
PA 9997 Peter Thomas Sropshire UK.
PA 10187 Don Martin Alexandria OH. Canopy
PA 10288 Former Bud Roberts MO.
PA 10804 Salem OR.
1931 PA12499-PA13516
PA 12761 Pete Ochal Arcade NY Canopy
PA 12943 Lyman Knapp Blackwell OK.
PA 13230 Ken McCrary Davenport CA.
PA 13275 Omnitrac Cove OR.
PA 13424 Moulding Collection Ogden UT. former Holden Family Lebanon OH.
PA 13515 Frank Dzen South Windsor CT. Pull Hook
UnKnown Serial Number Tractors
1927 UK Bob Pearce Yankee Hill CA.
1928 UK Mhmke Farm Museum
UK Roots of Motive Power Willits Ca.
1929 UK UC Davis Davis Ca. Canopy Factory red Color
UK UC Davis Davis Ca.
UK Bob Hill Miami MB.
UK Ken Eder Carthage NC.
UK Ken Eder Carthage NC.
UK James Owensby Cochranville PA.
UK David Wintermute Annondale NJ.
UK Gary Foglio Florence OR.
UK Koskela Family Astoria OR.
UK Randy Moulding Odgen UT. belt pulley
Mfg. Dates 8/1/31-12/30/32
Weight 24390 lbs.
Gauge 72″
Drawbar HP 63
Belt/PTO HP 75
Cylinder bore and stroke 4@6-1/8″x9-1/4″
RPM 700
Fuel Cap. 75 gals.
Diesel Tractors
1931 1C1-1C2
1 UC Davis Davis CA.
2 Heidrick AG Museum Woodland CA
12 ACMM Museum Brooks OR.
Model name was changed to 65 after 1C15 but 1C12 has last known Cast Sixty Radiator ID
