JOHN DEERE 120C EXCAVATOR OPERATION TEST SERVICE TECHNICAL MANUAL TM1934. Operation and test manual is a book for troubleshooting, includes all schemes, diagrams, diagnostic codes. Model: 120C Parts number: TM1934 Serial number: ALL Language: ENGLISH Type: OPERATION TEST SERVICE MANUAL This book is in English in a new condition without damage. The first figure shows an example of what a book looks like. If you have any questions, please contact. If you need to find a suitable manual, you can always write a request and we will select the right kit. Type: OPERATION TEST SERVICE MANUAL. This book is in English in a new condition without damage. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. JONH DEERE 700J CRAWLER DOZER OPERATORS MANUAL #2. JONH DEERE 750J 850J CRAWLER DOZER OPERATORS MANUAL +! JONH DEERE 650K 700L 750L 850L SMARTGRADE CRAWLER DOZER OPERATORS MANUAL. JOHN DEERE 650J CRAWLER DOZER PARTS CATALOG MANUAL +!