Tachometer

190 SN: 20600 & up, 190XT (gas & diesel); Serviceable for: 180, 185, 200, 210 & 220	190 up to SN: 20599	D10 & D12 up to SN: 9000
D14, D15 gas up to SN: 6630 & D17 gas, I-40 & I-400	D15 gas SN: 6631 & up, I-60 & I-600	D19 gas & diesel
D21	Cable

Spiegelberg Restoration and Service, LTD: PO Box 63: Birmingham, OH 44816: 440-965-7679