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Overview

The Firma 1900Kv brushless motor is a perfect option for 1/8 scale buggy, truggy or monster trucks with a 3S-6S LiPo powered setup. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 4mm output shaft, and precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation, and perfectly matched for the Firma 130 Smart ESC.

Features

  • Perfect upgrade for 1/8 scale racers and bashers
  • Safe-D Shaft provides a C-clip locking point to prevent pinion gear slip
  • High efficiency design
  • 6S LiPo power capable
  • High-quality 4-pole sintered rotor
  • 4mm gold plated bullet connectors
  • High-quality construction with precision ball bearings and hardened steel 5mm shaft

  • Safe-D Shaft with C-Clip Locking Point to Prevent Pinion Gear Slip
  • 5mm Diameter Steel Output Shaft
  • 4mm Gold Plated Bullet Connectors

Product Specs

Application
Upgrade for 1/8 scale racers and bashers with 3-6S Lipo powered setup

Bushing Or Bearing
Bearing

Connector Type
4mm Bullet

Efficiency
86%

Input Voltage
11.1 – 22.2V

Maximum Continuous Current
60A

Motor Class
1/8 Scale

Motor Design
Inrunner

Motor Size
4274

Motor Type
Brushless

Number of Poles
4

Outer Diameter
1.6 in (42 mm)

Output
4940W

Part Type
Electronics

Product Length
2.9″ (74 mm)

Product Weight
14.67 oz (416 g)

RPM/Volt (Kv)
1900Kv

Sensored
No

Shaft Diameter
0.19″ (5 mm)

Shaft Length
0.73 in (18.5 mm)

Weight 1.5 kg
Color

Size