The Spektrum Firma 1900Kv Brushless Motor is a high-performance 1/8 scale power system upgrade designed for racers and bashers running 3S-6S LiPo batteries . Featuring a powerful 4-pole rotor design , CNC-machined aluminum housing, precision bearings, and a hardened 5mm steel output shaft, this motor delivers smooth, efficient power with excellent durability.

This motor is an excellent match for the Spektrum Firma 130 Smart ESC and is ideal for 1/8 scale buggies, truggies, and monster trucks.

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Features

• Genuine Spektrum Firma Brushless Motor
• MPN: SPMXSM1600
• UPC: 605482161586
• 1900Kv high-torque brushless motor
• 4274 motor size
• 4-pole / 8-magnet rotor design
• Designed for 3S-6S LiPo power
• CNC-machined aluminum motor case
• High-purity copper windings
• Precision ball bearings
• Hardened 5mm steel output shaft
• Safe-D shaft design with C-clip locking point to help prevent pinion slip
• Pre-installed 4mm gold-plated bullet connectors

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Specifications

• Brand: Spektrum
• Series: Firma
• MPN: SPMXSM1600
• UPC: 605482161586
• Motor Type: Sensorless Brushless
• Motor Size: 4274
• KV Rating: 1900Kv
• Cells: 3S-6S LiPo
• Input Voltage: 11.1V-22.2V (25.2V max)
• Poles: 4
• Connector: 4mm Bullet
• Shaft Diameter: 5mm
• Shaft Length: 18.5mm
• Diameter: 42mm
• Length: 74mm
• Weight: Approx. 416g
• Maximum Continuous Current: 60A
• Efficiency: 86%

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Compatible Applications

Ideal for:

• 1/8 scale buggy
• 1/8 scale truggy
• Monster trucks
• ARRMA 1/8 platforms
• Losi 1/8 platforms
• Other vehicles requiring a 4274-size motor

Recommended pairing:

• Spektrum Firma 130 Smart ESC

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Package Includes

• (1) Spektrum SPMXSM1600 Firma 1900Kv Brushless Motor

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Condition

• Brand New
• Factory Sealed
• Never Used

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Item Specifics

• Brand: Spektrum
• MPN: SPMXSM1600
• UPC: 605482161586
• Type: Brushless Motor
• Scale: 1/8
• Motor Size: 4274
• KV: 1900
• Sensorless: Yes
• Battery: 3S-6S LiPo