The Replacement Lead Leg # LG-177202 and Replacement Follow Leg # LG-177201 are going to be the correct replacements for the VMC900R jacks that are currently on your 2010 Sunnybrook Toy Hauler. These have a maximum capacity of 4,000lbs for each leg.
It may be a good time to replace the Gearbox # LC276602 as well if you did not do that when you installed the new motor. This could have become damaged when the motor became damaged.
The Motor and Switch Kit # LG-217884 is rated for 5,500lbs... view full answer...