The new MMP-TM55-36V-007 DC gear motor from Midwest Motion Products can accept any 36-volt DC source, including batteries.
According to the companys press release, this gear motor measures 2.14" in diameter and 6.75" long and has a keyed output shaft of 12 mm diameter by 25 mm long. Easy mounting is possible with four $BEG(Bace mount$B!&(BM5 threaded holes, equally spaced on a 40 mm diameter B.C.
The motor is rated at 0.85 Nm continuous torque at 700 rpm and has a 40. Nm peak. Despite its size and weight, the motor requires 2.6 ampete at 36 volts DC to generate its full load output torque.
Typical options include integral optical encoders, failsafe breaks, analog tachometers and planetary gear heads with ratios from 3:1 to 450:1 with standard or low backlash precision gearing.