2017 Can-Am Defender DPS HD5, The Defender offers three very capable true-work powerplant options. The 72-hp Rotax HD10 V-Twin is specifically tuned for serious work but also offers 61 lb-ft torque and peak torque at lower RPM for optimal delivery for recreational use. The work-focused Rotax HD8 V-Twin delivers 50 hp and 50 lb-ft torque for tough tasks. To simply get the job done, meet your new yardstick; the new Defender HD5 single cylinder Rotax engine delivering 38-hp. The Defender is now the sharpest tool in the shed.