1.845″ Head Diameter, 6.172″ Length, 30 Degree Exhaust Valve for John Deere Diesel CTS CTS II 250D Dump Truck 300D Dump Truck 330CLC Excavator 330LC Excavator 330LCR Excavator 370 Excavator 370C Excavator 530B Log Loader 535 Log Loader 560D Log Skidder 608B Feller Buncher 608L Feller Buncher 608S Feller Buncher 644E Wheel Loader 644EH Wheel Loader 644ER Wheel Loader 644EZ Wheel Loader 644G Wheel Loader 644H Wheel Loader 644J Wheel Loader 660D Log Skidder 703G Feller Buncher 724J Wheel Loader 740E Log Skidder 740G Log Skidder 748E Log Skidder 748G Log Skidder 748G-II Log Skidder 748G-III Log Skidder 753G Feller Buncher 753GL Feller Buncher 762B-II Scraper 770B Grader 770BH Grader 770C Grader 770CH Grader 770CH-II Grader 770C-II Grader 770D Grader 772B Grader 772BH Grader 772CH Grader 772CH-II Grader 772D Grader 792DLC Excavator 795G Feller Buncher 848G Log Skidder 850 Feller Buncher 850C 850C-II 850J 853G Feller Buncher 853J Feller Buncher 870D Grader 872D Grader 892ELC Excavator 900 Feller Buncher 903G Feller Buncher 903J Feller Buncher 950 Feller Buncher 953G Feller Buncher 953J Feller Buncher 1270D Tree Harvester 1470D Tree Harvester 1710D Forwarder 3554 Logger 4055 4255 4455 4555 4560 4755 4760 4920 Sprayer 4955 4960 6076 Power Unit 6081AF Power Unit 6081AFM01 Power Unit 6081AFM75 Power Unit 6081HF Power Unit 6081HF070 Power Unit 6081TF Power Unit 6610 Forage Harvester 6650 Forage Harvester 7200 Forage Harvester 7700 7710 7800 7810 7820 7920 8100 8100T 8110 8110T 8120 8120T 8200 8200T 8210 8210T 8220 8220T 8300 8300T 8310 8310T 8320 8320T 8400 8400T 8410 8410T 8420 8420T 8520 8520T 8560 8570 9100 9120 9500 9510 9550 9550SH 9560STS 9600 9610 9640 9650 9650CTS 9650STS 9660 9660CTS 9660STS 9680 9750STS 9760STS 9960 Cotton Picker 9965 Cotton Picker 9970 Cotton Picker 9976 Cotton Picker 9986 Cotton Picker 9996 Cotton Picker and 6081A/H PowerTech, 6081A/H PowerTech, 6076T, 6076A, 6076T, 6076A, 6076T, 6076A, 6076T, 6076A, 6081A/H PowerTech, 6081T/A/H PowerTech, 6081T/A/H PowerTech