10 General Information 5-2 Specifications Model 2120 Tractor TM-4252 (Dec-70) Group 5 SPECIFICATIONS Working speed range ..... 1500 to 2500 rpm Flywheel horsepower 1 at 2500 rpm Net .............. 67 HP (68 PS) Gross2 ............ 71 HP (72 PS) SERIAL NUMBERS Fast idle 2650 rpm The engine serial number is stamped into the name plate at the lower right of the front cylinder block. PTO horsepowerя ......... 60 HP (61 PS) (at 2500 rpm engine speed and 650 or 1210 rpm powershaft speed) Slow idle 650 rpm NOTE: If ordering engine parts, indicate all digits of the serial number on the name plate.
The name plate showing the tractor serial number is located on the right-hand side of the front support. NOTE: If ordering tractor parts, (excluding engine parts), indicate all digits of the serial number on the name plate. ENGINE CLUTCH MODEL NUMBERS Dual dry disk clutch, foot operated. The injection pump, injection nozzles, the generator (alternator), starter and the main hydraulic pump have model numbers to facilitate identification of different makes of a given unit. Single dry disk clutch with torsion damper (isolator), foot-operated (on tractors with independent PTO) Starter .......... 12 Volts, 4 HP (4 PS) Batteries .......... 2 x 12 Volts, 55 Ah Alternator ............
12 Volts, 28 A Generator ............. 12 Volts, 11 A ELECTRICAL SYSTEM Stroke ............ 4.33 in. (110 mm) Cylinder liner bore ...... 4.02 in. (102 mm) SPECIFICATIONS Battery terminal grounded ....... negative ENGINE Displacement ....... 219 cu.in. (3590 cm2) Number of cylinder 4 Maximum torque at 1500 rpm .......... 170 ft. lbs. (23.5 mkg) Compression ratio 16.7 : 1 1) 1 PS = 1 ch = 0.736 KW; 1 KW = 1,36 PS = 1.36 ch; 1 PS = 0.986 HP; 1 HP = 1.01 PS 2) Less water pump, fan, generator (alternator), air cleaner and muffler. Firing order 1-3-4-2 Valve clearance (engine hot or cold) Intake valve 0.014 in. (0.35 mm) Outlet valve 0.018 in.
(0.45 mm) 3) With the engine run in (above 100 hours of operation) and having reached operating temperature (engine and transmission); measured by means of a dynamometer. Permissible variation + 5%. Printed in Germany