Product Description of Spektrum M-SPMXSM3000 Firma 1400Kv sensored crawler motor
The Spektrum M-SPMXSM3000 Firma 1400Kv sensored crawler motor for 1/10 scale 2S–3S setups is purpose-built for RC enthusiasts who demand ultra-smooth low-speed control, torque-rich crawling performance, and signal precision across rugged terrain. Designed to replace standard 540 brushed motors, this sensored brushless motor features the same diameter and mounting pattern, making it a seamless upgrade for compatible crawler platforms. With a 4-pole sintered rotor and magnetic encoder, the motor delivers consistent phase signal output and precise rotor position tracking, ensuring reliable throttle response and crawl accuracy. The CNC-machined aluminum housing enhances heat dissipation and structural integrity, while the hardened steel 1/8" output shaft provides secure gear engagement under load. Preinstalled 3.5mm gold-plated bullet connectors and a waterproof sensor wire with locking plug simplify installation and ensure long-term durability in moisture-prone environments. Whether you're navigating technical rock formations or competing in low-speed trail events, the Spektrum M-SPMXSM3000 motor offers unmatched control and resilience for 1/10 scale builds.
Key features of the Spektrum M-SPMXSM3000
- FOC sensored signal system – delivers precise rotor position feedback for ultra-smooth throttle control
- Magnetic encoder – ensures consistent phase signal output and eliminates signal drift
- Waterproof sensor wire – supports reliable operation in wet and muddy conditions
- Polarity-protected signal output – prevents miswiring and guarantees safe installation
- 3.5mm bullet connectors – enable secure, high-conductivity connections with minimal resistance
- Hardened steel 1/8" shaft – resists wear and supports torque-heavy gear engagement
- CNC aluminum housing – improves heat dissipation and protects internal components from vibration
Why is the FOC sensor system essential for low-speed crawling?
The Spektrum M-SPMXSM3000 brushless motor with FOC sensor and 3.5mm bullet connectors features a field-oriented control system that continuously monitors rotor position and adjusts phase signals in real time. This allows for ultra-smooth throttle transitions, especially at low RPMs where precision matters most. For competition crawlers and trail rigs, the FOC system ensures that torque delivery remains consistent and predictable, even during delicate maneuvers or steep climbs. The result is a motor that responds with finesse and control, making it ideal for technical terrain and low-speed applications.
How does the magnetic encoder improve signal accuracy?
The Spektrum M-SPMXSM3000 4-pole motor with magnetic encoder and waterproof sensor wire integrates a polarity-protected magnetic encoder that guarantees consistent signal output across all three motor phases. This eliminates signal drift and ensures that the ESC receives accurate rotor position data at all times. The encoder’s precision is especially valuable during slow crawling, where even minor signal inconsistencies can lead to jerky movement or throttle lag. By maintaining signal integrity, the motor delivers smooth, controlled performance that enhances driver confidence and vehicle stability.
What makes this motor suitable for wet and rugged environments?
The Spektrum Firma motor with CNC aluminum housing and hardened steel 1/8" shaft is built to withstand the rigors of outdoor crawling. Its waterproof sensor wire features a locking plug and gasket that prevent moisture ingress, while the CNC-machined aluminum housing provides structural reinforcement and thermal management. The hardened steel shaft resists wear and maintains gear alignment under torque-heavy conditions. These features combine to create a motor that performs reliably in mud, water, and rocky terrain, making it a trusted choice for trail rigs and rock racers.
Is this motor compatible with standard 540 brushed motor mounts?
Yes. The Spektrum 1400Kv motor for rock racers, trailers, and competition crawlers is designed as a direct upgrade for 540 brushed motors, featuring the same diameter and mounting pattern. Vehicles that accept pinions with a 1/8" bore can integrate this motor without modification, streamlining the upgrade process. This compatibility makes the motor an excellent choice for users looking to transition from brushed to sensored brushless systems without altering their drivetrain or chassis layout.
What installation advantages do the 3.5mm bullet connectors offer?
The Spektrum M-SPMXSM3000 sensored crawler motor for 1/10 scale 2S–3S setups comes preinstalled with 3.5mm gold-plated bullet connectors that simplify wiring and ensure secure high-current connections. These connectors are designed for durability and conductivity, reducing resistance and heat buildup during operation. Their compact size supports clean installations in tight motor bays, and their polarity protection ensures safe and error-free setup. For builders seeking a plug-and-play solution, these connectors offer convenience and reliability.
Why is this motor a strategic upgrade for 1/10 scale platforms?
The Spektrum M-SPMXSM3000 with low-cog rotor and polarity-protected signal output delivers a balanced combination of torque, control, and installation simplicity. Its 4-pole rotor design supports smooth rotation and low-speed fidelity, while the sensored architecture ensures precise throttle response. The motor’s compatibility with the Spektrum Firma 60A Sensored Brushless Smart Crawler ESC guarantees optimal pairing and system coherence. For users replacing brushed motors in 1/10 scale crawlers, this motor stands out as the best Spektrum upgrade for achieving refined control and drivetrain resilience.
For RC enthusiasts building or upgrading 1/10 scale crawlers, trailers, or rock racers, the Spektrum M-SPMXSM3000 Firma 1400Kv sensored crawler motor for 1/10 scale 2S–3S setups delivers unmatched precision, torque, and installation ease. Buy Spektrum M-SPMXSM3000 motor for ultra-smooth low-speed control and torque.
Technical Specifications of Spektrum M-SPMXSM3000 Firma 1400Kv sensored crawler motor
Brand, Model and Product Type
- Brand: Spektrum
- Model: M-SPMXSM3000
- Product Type: Spektrum M-SPMXSM3000 Firma 1400Kv sensored crawler motor for 1/10 scale 2S–3S setups, Spektrum brushless motor M-SPMXSM3000 with FOC sensor and 3.5mm bullet connectors, Spektrum 4-pole motor M-SPMXSM3000 with magnetic encoder and waterproof sensor wire, Spektrum M-SPMXSM3000 with low-cog rotor and polarity-protected signal output, Spektrum 1400Kv motor M-SPMXSM3000 for rock racers, trailers, and competition crawlers
Dimensions
- Motor Length: 5.8 cm – compact format for 1/10 scale crawler chassis
- Motor Diameter: 3.6 cm – matches standard 540-class brushed motor mounts
- Shaft Diameter: 0.3175 cm (1/8") – hardened steel shaft for secure gear engagement
- Product Weight: Not specified – designed for lightweight crawler applications
Performance & Electrical Specifications
- RPM/Volt (Kv): 1400Kv – optimized for torque-heavy low-speed crawling
- Input Voltage Range: 7.4V–11.1V (2S–3S LiPo) – supports standard crawler power setups
- Maximum Continuous Current: 25A – enables sustained torque delivery under load
- Constant Wattage: 250–499W – supports efficient power output for trail and rock racing
- Efficiency: Not specified – designed for low-speed control and thermal stability
- Resistance: Not specified – optimized for signal clarity and motor responsiveness
- Motor Type: Brushless Sensored – delivers precise throttle response and rotor tracking
- Sensor Type: FOC Sensored – field-oriented control for ultra-smooth signal output
- Motor Design: Inrunner – compact and efficient for enclosed motor compartments
- Number of Poles: 4 – supports torque-rich propulsion and smooth rotation
- Main Motor Class: 1/10 Scale – engineered for crawlers, trailers, and rock racers
- Rotor Design: Low-cog 4-pole – enhances throttle fidelity and startup smoothness
Construction & Materials
- Housing Material: CNC-machined aluminum – improves heat dissipation and structural durability
- Shaft Material: Hardened steel – resists wear and ensures long-term mechanical integrity
- Windings: Insulated high-purity copper – maximizes conductivity and thermal control
- Cooling System: Passive – maintains consistent operating temperatures without external fans
- Encoder: Magnetic – ensures polarity protection and accurate rotor position feedback
- Bearings: Precision ball bearings – support smooth, vibration-free rotation and reduce drivetrain wear
Connectivity & Compatibility
- Connector Type: 3.5mm gold-plated bullet connectors – preinstalled for secure high-current connections
- Sensor Wire: Waterproof with locking plug and gasket – supports reliable operation in wet conditions
- Application: Designed for 1/10 scale crawlers, rock racers, and trailers – ideal for 2S–3S LiPo setups
- Recommended ESC: Spektrum Firma 60A Sensored Brushless Smart Crawler ESC – ensures optimal pairing and system coherence
What’s in the Box
- (1) Firma 1400Kv Brushless Sensored Crawler Motor
What You Require
- Electronic Speed Control such as the Spektrum Firma 60A Sensored Brushless Smart Crawler ESC
