Allis Chalmers 720. Allis chambers g, 1956 allis chalmers wd45 and allis chalmers 1953 ca narrow fr Our conversion kits include a drive adapter on the flywheel to bolt your pulley onto. Allis chalmers and it’s successors are not responsible for the quality or accuracy of this manual. 19.5 hp [14.5 kw] drawbar: Check your muffler style before ordering any kit. Type above to start your. A replacement shortblock for the original engine would be over $3,000.