ESC Spec #1835
Motor Type Brush / Brushless
Fwd/Brk/Rev Fwd/Brk/Rev: F/Drag Brakes/R (crawling modes);
F/B (basher mode); F/R (servo mode)
F/B/R (brushless mode)
Input Cells (LiPo/Ni-MH) Brushed: 2-3S LiPo or 4-9 NiMH
Brushless: 2S LiPo
Size (in/mm) 1.15" x 0.95" x 0.79" (29.0 x 24.3 x 20 mm)
Weight (oz/g) 0.75 oz. (21.31 g)
On-Resistance (ohms) 0.0011 ohms
Motor Limit

2S Brushed:  540-size: 20T or higher; Any 380-size
3S Brushed: 540-size: 35T (Eiger); Any 380-size
2S Brushless*: 540-size: 10.5T or higher; Any 380-size (*2-pole, sensor-based, mechanically timed to 30 degrees)

BEC (volts / amps) 6.0 volts DC / 2.0 amps
Wire Size (GA) 14G Super-Flex Copper-Strand Silicone Wire
Battery/Motor Plug Eiger: Tamiya-style battery & gold-plated Bullet motor plugs factory installed
Status LEDs 4 (multi-colored)
Motor Spec 35T 55T (discontinued)
System Part Number #3230 #3231
Motor Size (540) 1.96" x 1.40" (40.8 x 35.6mm) 1.96" x 1.40" (40.8 x 35.6mm)
Motor Weight 5.80 oz. (164.0 g) 5.97 oz. (169.0 g)
Shaft Diameter (inches) 0.125 0.125
Design Non-Rebuildable Non-Rebuildable
Bearing Standard 3/8" x 1/8" Standard 3/8" x 1/8"
Magnet High-strength Ferrite High-strength Ferrite
Input Voltage 2S-3S Li-Po cells or
4-7 cells (1.2V/cell)
2S-3S Li-Po cells or
4-7 cells (1.2V/cell)