1P4577 Flange-Half Fits Caterpillar Models

One New Aftermarket Replacement Hydraulic Split Flange-Half for Caterpillar (Cat) Construction Equipment

This aftermarket replacement Code 61 hydraulic split flange-half (1P4577) is used in high-pressure hydraulic line connections on a wide range of Caterpillar (Cat) construction and earthmoving equipment, including tilt port valve applications on articulated trucks and other machines. Code 61 split flanges are the SAE standard for hydraulic systems rated between 3,000 and 5,000 PSI.

Specifications

• Type: Code 61 Half Hydraulic Split Flange
• Size: 1 inch
• Counterbore Diameter: 45.24 mm
• Counterbore Depth: 7.49 mm
• Bolt Pattern Length: 52.37 mm
• Bolt Pattern Width: 26.19 mm
• Bolt Hole Diameter/Thread: 10.31 mm
• Weight: 0.22 lbs
• Dimensions: approximately 3 x 1.3 x 0.8 in
• Pressure Rating: 3,000-5,000 PSI (Code 61 standard)

Compatible Models

Caterpillar Motor Graders: 10, 10S, 12F, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 135H, 135H NA, 140, 140H, 140H ES, 140H NA, 140K, 140K 2

Caterpillar Articulated Trucks: 735, 740, D250B, D250D, D250E, D250E II, D25C, D25D, D300B, D300D, D300E, D300E II, D30C, D350C, D350E, D350E II, D35C, D400, D400E, D400E II, D40D, D44B, D550B

Caterpillar Excavators: 215, 225, 225D, 229, 229D, 231D, 235, 235B, 235C, 235D, 245, 245B, 245D, 312B L, 315B L, 317B LN, 320, 320B, 320C, 320D, 320D L, 320D2, 320E, 320E L, 321C, 322B, 322B L, 322C, 323D L, 324E, 324E L, 325, 325B, 325C, 325D, 329D L, 329E, 330B, 330C, 330D FM, 336D, 336E, 336F L, 345B, 345B II, 345C, 350, 365B, 385B, 390F L

Caterpillar Asphalt Pavers: AP-650B, AP-655C, AP-800D, AP-1000B, AP-1055B

Caterpillar Cold Planers: PM-201, PM-465, PM-565, PM-565B, PR-450C

Caterpillar Bulldozers: 5S, 6A, 7A, 9A, 9S, 10S, 814S, 824S

Caterpillar Challengers: 65, 65C, 65E, 75, 75C, 75D, 75E, 85C, 85D, 85E, 95E

Caterpillar Wheel Loaders and Other: 910, 910E

Caterpillar Backhoe Loaders: 446B, 446D, 450E

Note: This part appears across a very wide range of Cat equipment types. Always verify by part number and serial number before ordering.

Replaces Part Number(s):

1P4577, 1P-4577

Aftermarket Interchange Numbers

CA1P4577

New aftermarket replacement part - not remanufactured, not used.