GB Part No. TA281-R6NFits: Tanaka - ECS35, ECS355, ECS351, ECS405, 356, 350, 351, 370
GB Part No. TA284-R6NFits: Tanaka - TCS2801, EC290, 300, 320, 330, TCS3301, TCS3401
GB Part No. TA285-R6NFits: Tanaka - ECV3801, 4501