Here is an incomplete catalog of Marx locomotive motors. Photos not by William McFadden are
used with permission.
![click to enlarge](img/tn_marx635_mercury_wind-up.jpg) mechanical non-reversing motor with bell (#635 MERCURY)
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![click to enlarge](img/tn_marx635_mercury_mechanical_whistle_03.jpg) mechanical non-reversing motor with air-whistle; notice straight lever (#635 MERCURY) photo by Steve Eastman
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![click to enlarge](img/tn_marx_whistling_windup_01.jpg) mechanical non-reversing whistling motor with bell; note cast drivers photo by G. "Oly" Olson
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![click to enlarge](img/tn_marx_whistling_windup_02.jpg) mechanical non-reversing whistling motor with bell photo by G. "Oly" Olson
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![click to enlarge](img/tn_marx_whistling_windup_03.jpg) mechanical non-reversing whistling motor with bell photo by G. "Oly" Olson
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![click to enlarge](img/tn_marx_whistling_windup_04.jpg) mechanical non-reversing whistling motor with bell photo by G. "Oly" Olson
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![click to enlarge](img/tn_marx597cv_mechanical_swing_peg_03.jpg) mechanical non-reversing motor; notice straight lever; (COMMODORE VANDERBILT) photo by Steve Eastman
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![click to enlarge](img/tn_marx597cv_mechanical_03.jpg) mechanical reversing motor; notice angled lever; (COMMODORE VANDERBILT) photo by Steve Eastman
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![click to enlarge](img/tn_marx_smoking_wu_400_01.jpg) non-reversing mechanical #400 with smoke; note arm and rubber bladder; the bladder would be filled with baking powder photo by Steve Eastman
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![click to enlarge](img/tn_marx_smoking_wu_400_02.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx_smoking_wu_400_03.jpg) note the smokestack photo by Steve Eastman
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![click to enlarge](img/tn_marx_smoking_wu_400_04.jpg) non-reversing mechanical motor from #400 smoking locomotive; motor was also used in the #401 photo by Steve Eastman
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![click to enlarge](img/tn_marx_sparking_wu_01.jpg) mechanical motor with spark mechanism photo by Steve Eastman
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![click to enlarge](img/tn_marx_sparking_wu_02.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx_sparking_wu_03.jpg) flint lever; these tend to be missing; it is item #194 in the Robert Grossman catalog; photo by Steve Eastman
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![click to enlarge](img/tn_marx597_electric_manual_reverse_swing_peg_02.jpg) single-reduction electric motor with manual reverse; notice size of gears on back of drivers (#597 COMMODORE VANDERBILT) photo by Ken Stoller
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![click to enlarge](img/tn_marx597_electric_manual_reverse_swing_peg_04.jpg) photo by Ken Stoller
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![click to enlarge](img/tn_early_cp_electric_01.jpg) early Canadian Pacific single-reduction electric motor photo by Steve Eastman
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![click to enlarge](img/tn_early_cp_electric_02.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_early_cp_electric_03.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_early_cp_electric_04.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_early_cp_electric_05.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx597cv_red_motor.jpg) pre-war single-reduction motor with reverse and two-piece pickup; notice size of gears on back of drivers (#597 COMMODORE VANDERBILT)
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![click to enlarge](img/tn_electric_sparking_motor_04.jpg) electric double-reduction motor with spark mechanism (#635 MERCURY) photo by Steve Eastman
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![click to enlarge](img/tn_marx597cv_black_motor.jpg) post-war single-reduction motor with reverse and one-piece pickup (#597 COMMODORE VANDERBILT)
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![click to enlarge](img/tn_marx591_electric_03.jpg) single-reduction one-way electric motor and Baldwin drivers and no side-rods; (from #591) photo by Steve Eastman
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![click to enlarge](img/tn_marx591_electric_04.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx591_electric_05.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx6000_diesel_01.jpg) single-reduction reversing motor from B&O/Southern Pacific diesels photo by Steve Eastman
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![click to enlarge](img/tn_marx6000_diesel_02.jpg) note round mounting plate on top and slots in the front of both sideframes; the slots fit loosely to allow the motor to pivot within the body photo by Steve Eastman
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![click to enlarge](img/tn_marx6000_diesel_03.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx6000_diesel_04.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx6000_diesel_05.jpg) photo by Steve Eastman
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![click to enlarge](img/marx_ge_diesel_01.jpg) double-reduction motor from GE diesel; note front mounting plate and lack of provision on drivers for siderods photo by Steve Eastman
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![click to enlarge](img/marx_ge_diesel_02.jpg) photo by Steve Eastman
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![click to enlarge](img/marx_ge_diesel_03.jpg) photo by Steve Eastman
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![click to enlarge](img/marx_monon_diesel_01.jpg) one-way motor for Monon, Seaboard, & KCS diesels (the light and wire were added by owner) photo by Steve Eastman |
![click to enlarge](img/marx_monon_diesel_02.jpg) photo by Steve Eastman |
![click to enlarge](img/marx_monon_diesel_03.jpg) photo by Steve Eastman |
![click to enlarge](img/marx_monon_diesel_04.jpg) photo by Steve Eastman |
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![click to enlarge](img/tn_marx401_battery_02.jpg) battery-motor in #401 photo by Steve Eastman
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![click to enlarge](img/tn_marx401_battery_03.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx401_battery_04.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx401_battery_05.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx_e7_motor_01.jpg) motor for E-7 diesel; shown with weight attached but no sidetrucks; the weight is the motor-mount; motor sides are aluminum photo by Steve Eastman
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![click to enlarge](img/tn_marx_e7_motor_01.jpg) photo by Steve Eastman
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![click to enlarge](img/tn_marx_e7_motor_03.jpg) note traction tires photo by Steve Eastman
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![click to enlarge](img/tn_marx_21_diesel_motor_01.jpg) motor for early #21 tin diesel photo by Steve Eastman
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![click to enlarge](img/tn_marx_21_diesel_motor_02.jpg) the mount is higher than on E-7s and spot welded to the motor frame, reducing interchangeability photo by Steve Eastman
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![click to enlarge](img/tn_marx_21_diesel_motor_03.jpg) note wide flange drivers photo by Steve Eastman
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