Servo # Description Weight Dimensions
(W x L x H)
Torque Speed Motor/ Bearings Street Price Notes
141MG Ball Bearing, Metal Output Gear 0.89 oz
(25.3 g)
0.66 x 1.42 x 1.29 in
(17 x 36 x 33 mm)
45 oz-in
(3.3 kg-cm)
0.20 sec
@ 60 deg
Coreless, metal gears $59.95 Flap Servo
94051 Microlite 0.78 oz
(22.1 g)
0.55 x 1.34 x 1.34 in
(14 x 34 x 34 mm)
18/23 oz-in
(3.6 kg-cm)
0.19/0.15 sec
@ 60 deg
Standard 3 Pole motor $29.95
94091 Super Microlite 0.32 oz
(9.1 g)
0.44 x 0.91 x 0.87 in
(11 x 23 x 22 mm)
18/23 oz-in
(3.6 kg-cm)
0.12/0.10 sec
@ 60 deg
Standard 3 Pole motor $29.95
94102 Precision Heavy Duty Standard 1.59 oz
(45.2 g)
0.79 x 1.54 x 1.42 in
(20 x 39 x 36 mm)
42/53 oz-in
(3.0 kg-cm)
0.20/0.16 sec
@ 60 deg
Standard 3 Pole motor $13.99
94141 Micro Precision High Torque 1.16 oz
(33.1 g)
0.85 x 1.42 x 1.29 in
(22 x 36 x 33 mm)
45/56 oz-in
(3.3 kg-cm)
0.20/0.16 sec
@ 60 deg
Coreless, Single Ball Bearing $59.95
94145 Micro Precision High Speed 1.09 oz
(31.3 g)
0.60 x 1.42 x 1.29 in
(15 x 36 x 33 mm)
26/32 oz-in
(2.4 kg-cm)
0.09/0.07 sec
@ 60 deg
Coreless, aluminum gear, 1 Ball Bearing $63.95
94161 Pro Large Scale BB 2.36 oz
(67.0 g)
0.79 x 1.54 x 1.65 in
(20 x 39 x 42 mm)
115/144 oz-in
(9.7 kg-cm)
0.23/0.18 sec
@ 60 deg
3 Pole, dual ball bearing $74.95
94257 ERG-ZR High Speed Metal Gear BB 1.80 oz
(51.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
110 oz-in
(7.9 kg-cm)
0.06 sec
@ 60 deg
Coreless, aluminum gears $114.95
94258 ERG-ZR High Torque Metal Gear BB 1.80 oz
(51.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
145 oz-in
(10.5 kg-cm) 6v
0.09 sec
@ 60 deg 6v
Coreless, aluminum gears $114.95 heavy duty use, cars, trucks
94322 Precision Heavy Duty Dual Ball Bearing 1.59 oz
(45.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
46/58 oz-in
(3.3/4.2 kg-cm)
0.19/0.15 sec
@ 60 deg
3 Pole, single ball bearing $24.95
94357 ERG-VR High Speed Dual Ball Bearing 2.12 oz
(60.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
100/125 oz-in
(7.2/9.0 kg-cm)
0.09/0.07 sec
@ 60 deg
Coreless, aluminum gear $139.95 New!
94358 ERG-VB High Torque Dual Ball Bearing 2.12 oz
(60.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
160/200 oz-in
(11.5/14.4 kg-cm)
0.13/0.10 sec
@ 60 deg
Coreless, aluminum gear $139.95 New!
94359 ERG-VX High Torque Aluminum Heat Sink 2.19 oz
(62.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
160/200 oz-in
(11.5/14.4 kg-cm)
0.13/0.10 sec
@ 60 deg
Coreless, aluminum gear, heat sink $159.95 New!
94407 ** Micro Dual Ball Bearing 2.07 oz
(58.8 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
29 oz-in
(2.1 kg-cm)
0.23 sec
@ 60 deg
Coreless -?-
94451 Pro Contest Heli & Airplane High Speed BB 1.94 oz
(55.1 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
88/110 oz-in
(6.35/7.9 kg-cm)
0.15/0.12 sec
@ 60 deg
Coreless, dual ball bearing $109.95 heli, high torque use
94452 Pro Contest Heli & Airplane High Speed Dual Ball Bearing 2.08 oz
(59.1 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
77/96 oz-in
(5.6/6.9 kg-cm)
0.11/0.09 sec
@ 60 deg
Coreless $114.95 high speed heli
94453 Pro Contest Heli & Airplane High Torque Dual Ball Bearing 2.08 oz
(59.1 g)
0.79 x 1.54 x 1.48 in
(20 x 39 x 38 mm)
99/124 oz-in
(7.1/8.9 kg-cm)
0.17/0.14 sec
@ 60 deg
Coreless, metal gears, dual ball bearing $114.95 high torque heli
94501 Microlite 0.53 oz
(15.1 g)
0.49 x 1.06 x 1.06 in
(12 x 27 x 27 mm)
18/23 oz-in
(1.3/1.7 kg-cm)
0.24/0.18 sec
@ 60 deg
Coreless $49.95 sailplanes, lightweight use
94555 Microlite Metal Gear 0.56 oz
(15.9 g)
0.49 x 1.06 x 1.06 in
(12 x 27 x 27 mm)
18/23 oz-in
(1.3/1.7 kg-cm)
0.21/0.17 sec
@ 60 deg
coreless, aluminum gears $74.95 sailplane wings, F5B, small models
94556 Microlite High Torque 0.53 oz
(15.1 g)
0.49 x 1.06 x 1.06 in
(12 x 27 x 27 mm)
31/39 oz-in
(2.2/2.8 kg-cm)
0.24/0.19 sec
@ 60 deg
Coreless -?-
94557 Microlite High Torque 0.71 oz
(20.2 g)
0.49 x 1.06 x 1.28 in
(12 x 27 x 33 mm)
31/39 oz-in
(2.2/2.8 kg-cm)
0.24/0.19 sec
@ 60 deg
Coreless -?-
94558 Microlite High Torque 2 0.71 oz
(20.2 g)
0.49 x 1.06 x 1.28 in
(12 x 27 x 33 mm)
43/54 oz-in
(3.1/3.9 kg-cm)
0.23/0.18 sec
@ 60 deg
Coreless -?-
94731 Contest Heli & Airplane 1.80 oz
(51.1 g)
0.79 x 1.54 x 1.40 in
(20 x 39 x 36 mm)
77/96 oz-in
(5.6/6.9 kg-cm)
0.17/0.14 sec
@ 60 deg
Coreless, metal output gear, dual ball bearing $74.95 heli, high torque use
94734 Contest Retract 1.73 oz
(49.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
73/91 oz-in
(5.3/6.6 kg-cm)
0.40/0.32 sec
@ 60 deg
5 Pole, metal output gear, dual ball bearing $63.95
94737 Contest High Speed 1.94 oz
(55.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
56/70 oz-in
(4.0/5.1 kg-cm)
0.15/0.12 sec
@ 60 deg
Coreless, metal output gear, dual ball bearing $87.95 cars and boats
94738 Contest High Torque 1.94 oz
(55.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
70/88 oz-in
(5.1/6.4 kg-cm)
0.20/0.16 sec
@ 60 deg
Coreless, metal output gear, dual ball bearing, watertight $74.95 cars and boats
94739 Contest Proportional Retract 1.87 oz
(53.1 g)
0.75 x 1.46 x 1.38 in
(19 x 37 x 35 mm)
74/93 oz-in
(5.3/6.7 kg-cm)
0.42/0.34 sec
@ 60 deg
5 Pole, metal output gear, dual ball bearing, 170 deg $59.95
94742 Contest BB 1.87 oz
(53.1 g)
0.75 x 1.46 x 1.38 in
(19 x 37 x 35 mm)
74/93 oz-in
(5.3/6.7 kg-cm)
0.42/0.34 sec
@ 60 deg
$44.95 cars
94743 Contest AP Standard 1.80 oz
(51.1 g)
0.79 x 1.54 x 1.38 in
(20 x 39 x 35 mm)
67/84 oz-in
(4.8/6.1 kg-cm)
0.19/0.15 sec
@ 60 deg
3 Pole, nylon gears, dual ball bearing $44.95
94751 Competition Digital Servo Aircraft 1.80 oz
(51.1 g)
0.79 x 1.54 x 1.40 in
(20 x 39 x 36 mm)
73/91 oz-in
(5.3/6.6 kg-cm)
0.16/0.13 sec
@ 60 deg
Coreless -?-
94755 Competition Digital Servo 2.04 oz
(58.0 g)
0.79 x 1.54 x 1.40 in
(20 x 39 x 36 mm)
65/81 oz-in
(4.7/5.8 kg-cm)
0.14/0.11 sec
@ 60 deg
Coreless, Metal Output Gear -?-
94757 Competition Digital Servo High Torque 2.12 oz
(60.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
92/115 oz-in
(6.6/8.3 kg-cm)
0.09/0.07 sec
@ 60 deg
Coreless, Metal Gears -?-
94758 Competition Digital Servo High Speed 2.12 oz
(60.2 g)
0.79 x 1.54 x 1.47 in
(20 x 39 x 37 mm)
92/115 oz-in
(6.6/8.3 kg-cm)
0.07/0.06 sec
@ 60 deg
Coreless, Metal Gears -?-
94831 Mini Single Ball Bearing 1.09 oz
(31.2 g)
0.71 x 1.46 x 1.18 in
(18 x 37 x 30 mm)
49/61 oz-in
(3.5/4.4 kg-cm)
0.20/0.16 sec
@ 60 deg
Standard 5 Pole $32.95 small models
94921 Low Profile Dual Ball Bearing 1.69 oz
(48.0 g)
0.87 x 1.74 x 0.92 in
(22 x 44 x 21 mm)
56/70 oz-in
(4.0/5.1 kg-cm)
0.16/0.13 sec
@ 60 deg
Coreless $82.95 ailerons
94924 Low Profile Retract Dual Ball Bearing 1.60 oz
(45.4 g)
0.87 x 1.74 x 0.92 in
(22 x 44 x 21 mm)
77/96 oz-in
(5.6/6.9 kg-cm)
0.48/0.38 sec
@ 60 deg
Standard 5 Pole, switch type (non-proportional) $74.95 retracts only