Spektrum
Firma 3660-4000Kv 4-Pole Sensorless Brushless Motor 5mm
Firma 3660-4000Kv 4-Pole Sensorless Brushless Motor 5mm
SKU:SPMXSM5000
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Spektrum Firma 3660-4000Kv 4-Pole Sensorless Brushless Motor 5 mm is a brushless motor for the 1/8 scale ARRMA INFRACTION 4X4 3S BLX All-Road RTR running on 2S to 3S LiPo power. It uses a 3660 motor size, 4000Kv rating, 4-pole rotor design, CNC-machined aluminium housing, insulated high-purity copper windings, pre-installed 4 mm gold-plated bullet connectors and a 5 mm alloy steel output shaft.
Included
(1) Firma 3660-4000Kv 4-Pole Sensorless Brushless Motor
Features
Replacement brushless motor for the 1/8 scale ARRMA INFRACTION 4X4 3S BLX All-Road RTR
2S to 3S LiPo power compatible
4-pole rotor design
CNC-machined aluminium housing
Insulated high-purity copper windings
Alloy steel 5 mm output shaft
Pre-installed 4 mm gold-plated bullet connectors
Specifications
Application: 1/8 scale ARRMA INFRACTION 4X4 3S BLX All-Road RTR
Motor type: Sensorless brushless
Motor size: 3660-4000Kv
Input voltage: 7.4 V to 11.1 V
LiPo compatibility: 2S to 3S
Kv rating: 4000Kv
Number of poles: 4
Connector type: 4 mm bullet
Connector wire length: 50 mm (1.96 in)
Outer diameter: 36 mm (1.41 in)
Length: 60 mm (2.36 in)
Shaft diameter: 5 mm (0.19 in)
Shaft length: 22 mm (0.87 in)
Weight: 300 g (10.58 oz)
Frequently Asked Questions
When will my order be shipped?
Orders placed before our daily cut-off time are usually shipped the same or next working day.
You’ll receive tracking details as soon as the courier collects your parcel.
How long will delivery take?
South African deliveries typically arrive within 1–3 working days, depending on your location.
International delivery times vary based on the destination.
Can I collect my order?
Yes. Collection is available from our Somerset West warehouse during business hours.
Where are you based?
We’re based in Somerset West, Cape Town, South Africa, and ship throughout South Africa and worldwide.
Do you ship worldwide?
Yes — we offer worldwide shipping.
What payment methods do you accept?
We accept secure online payments, including card payments, instant EFT, PayPal, and other major South African payment methods.
In-store card payments are available via Yoco.
Will I receive a tracking number?
Yes. Tracking information is emailed automatically once your order has been dispatched.
Do the products include a warranty?
Most items include a manufacturer-backed warranty.
Warranty terms vary by brand and product type.
Is my order safely packaged?
All items are securely packaged to minimise the risk of damage during transit.
Can I change or cancel my order?
If your order hasn’t been shipped yet, we can usually assist with changes or cancellations.
Please contact us as soon as possible.
Do you offer dealer or wholesale pricing?
Yes — eligible retailers can apply for a dealer account.
