Prototype: Same as model 37611, but with road number 77L.
Model: Booster unit for real multiple unit operation with model 37611. High-efficiency motor, controlled from the decoder in the 37611 locomotive. 2 axles powered. 4 traction tires. The headlight and number board lights as well as acceleration and braking delay can be controlled from the decoder in the 37611 locomotive. Special coupling with multiple-pin electrical connections between the two locomotives. Close coupler in standard coupler pocket can be replaced by an American type coupler or by a cover. Length over the couplers 23.5 cm / 9-1/4".
The 49611 locomotive can only be operated in conjunction with a 37611 locomotive. The minimum required curve for operation is 360 mm / 14-3/16".