This is a Brand New Premium Quality Head Gasket Set, it replaces the original Head Gasket Set.  It comes with a Full Manufacturers Warranty.  It is for the John Deere 6.101A/T EARLY and 6.619A/T Diesel Engines. Please check Application, Engine Serial Number and Block Casting Numbers Below : 

Fits Engine Models :

John Deere DIESEL ENGINE : 6.101A - Up to ESN # 499999

John Deere DIESEL ENGINE : 6.101T - Up to ESN # 499999

John Deere DIESEL ENGINE : 6.619A/T

Fits Equipment Models :

John Deere BACKHOE : 855 (w/ 6.619A/T - Block Casting Number Below)

John Deere CRAWLER : 850 (w/ 6.619A/T - Block Casting Number Below)

John Deere EXCAVATOR : 890 (w/ 6.619A/T - Block Casting Number Below)

John Deere EXCAVATOR : 890A (w/ 6.619A/T -  Block Casting Number Below)

John Deere EXCAVATOR : 992D (w/ 6.619A/T - Block Casting Number Below)

John Deere EXCAVATOR : 992E (w/ 6.619A/T - Block Casting Number Below)

John Deere SCRAPER : 762 (w/ 6.619A/T - Block Casting Number Below)

John Deere SCRAPER : 860B (w/ 6.619A/T - Block Casting Number Below)

John Deere SCRAPER : 862 (w/ 6.619A/T - Block Casting Number Below)

John Deere TRACTOR : 8630 (w/ 6.619A/T - Block Casting Number Below)

John Deere TRACTOR : 8640 (w/ 6.619A/T - Block Casting Number Below)

John Deere TRACTOR : 8650 (w/ 6.619A/T - Block Casting Number Below)

John Deere TRACTOR : 8760 (w/ 6.101A/T - Up to ESN # 499999 - Block Casting Number Below)

John Deere TRACTOR : 8870 (w/ 6.101A/T - Up to ESN # 499999 - Block Casting Number Below)

John Deere WHEEL LOADER : 744E (w/ 6.619A/T - Block Casting Number Below)

Replaces OEM Part Number : RE37417

Specifications :

* 6 Cyl. - Diesel - Turbo

* Bore : 5.125" (130mm)

* Wrist Pin Diameter : 2.00" (50.8mm)

* 6.101A/T EARLY Connecting Rod Forging # R63959

* 6.619A/T Connecting Rod Forging # R63959, R66925, R57484

* 6.101A/T EARLY Block Casting # R75934, R87552, R88217, R98554 or R105739 

* 6.619A/T Block Casting # R57424, R72130, R74123