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Specifications
Model: .......................................................................... CV18/CV620 ................... CV20/CV640 .......................... CV23/CV675/CV680
Bore: ............................... mm (in.) ............................. 77 (3.03) ........................... 77 (3.03) .................................. 80 (3.2)
Stroke: ............................ mm (in.) ............................. 67 (2.6) ............................. 67 (2.6) .................................... 67 (2.6)
Displacement: .............. cm
3
(in
3
) ............................. 624 (38.1) ......................... 624 (38.1) ................................ 674 (41)
Power (@3600 RPM): .... kW (HP) ............................. 13.4 (18*) .......................... 14.9 (20*) ................................. 16.4 (22*)
Compression Ratio: .................................................. 8.5:1 .................................. 8.5:1 ......................................... 8.5:1
Weight: .............................. kg (lb.) ............................. 41 (90) .............................. 41 (90) ..................................... 41 (90)
Oil Capacity (w/filter) - approximate,
determined by oil filter and oil cooler used: ............ ------------------------- 1.6-1.8 L (1.7-1.9 U.S. qt.) -------------------------------
Lubrication: ................................................................. ------------------------- Full Pressure w/full Flow Filter -------------------------
Model: ....................................................................... CV730 .............. CV26/CV735 ........... CV740 ................ CV745 .............. CV750
Bore: ............................... mm (in.) .......................... 83 (3.27) ........... 83 (3.27) ................... 83 (3.27) ............. 83 (3.27) ........... 83 (3.27)
Stroke: ............................ mm (in.) .......................... 67 (2.6) ............. 67 (2.6) ..................... 67 (2.6) ............... 67 (2.6) ............. 69 (2.72)
Displacement: .............. cm
3
(in
3
) .......................... 725 (44.2) ......... 725 (44.2) ................. 725 (44.2) ........... 725 (44.2) ......... 747 (45.6)
Power (@3600 RPM): ....kW (HP) .......................... 18.6 (25*) .......... 19.4 (26*) .................. 20.1 (27*) ............ 20.9 (28*) .......... 22.4 (30*)
Compression Ratio: ............................................... 9.0:1 .................. 9.0:1 .......................... 9.0:1 .................... 9.0:1 .................. 9.4:1
Weight: .............................. kg (lb.) .......................... 43 (94) .............. 43 (94) ...................... 43 (94) ................ 43 (94) .............. 47 (105)
Oil Capacity (w/filter) - approximate,
determined by oil filter and oil cooler used: ..... ------------------------------------ 1.6-1.8 L (1.7-1.9 U.S. qt.) ------------------------------
Lubrication: .............................................................. ------------------------------- Full Pressure w/full Flow Filter --------------------------
Exhaust Emission Control System for models CV18/CV620, CV20/CV640, CV23/CV675/CV680, CV730, CV740, CV750 is EM.
Exhaust Emission Control System for models CV26/CV735 and CV745 are EM, O2S, ECM, MFI.
*Horsepower ratings exceed Society of Automotive Engineers Small Engine Test Code J1940. Actual engine
horsepower is lower and affected by, but not limited to, accessories (air cleaner, exhaust, charging, cooling, fuel
pump, etc.), application, engine speed and ambient operating conditions (temperature, humidity, and altitude).
Kohler reserves the right to change product specifications, designs and equipment without notice and without
incurring obligation.