Novak Crusher ESC and Motor Rock Crawler Brushless 21.5T NVK3259
NVK3259 Novak Crusher ESC and Motor Rock Crawler Brushless 21.5T

Novak Crusher ESC and Motor Rock Crawler Brushless 21.5T NVK3259

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This is the Novak Crusher ESC and 21.5T Brushless Motor Rock Crawler System.


  • Durable ESC design with sealed case and replaceable wires
  • Novak’s Power Hill/Hold Brakes for extreme holding power in crawling applications
  • Complete onboard programming- Nothing extra needed
  • Novak X-Drive firmware for unmatched throttle response and control
  • Designed and assembled by Novak in Irvine, Calif., using globally-sourced components
  • Heavy-duty Built-in 5A BEC
  • Novak RPM Boost Timing --Dynamic Timing Advance for increased RPM
  • Auto-detect LiPo Cutoff and ESC Thermal Overload Protection
  • Completely rebuildable brushless motor with high torque crawling rotor
  • Rugged performance sensor-based combo for 2S, 3S and 4S rock crawling, rock racing, trail hauling, and non-racing “go-fast” setups
  • Meets RoHS compliance and includes 120-Day Warranty (through Novak)

Rock Crawling has evolved to be more than getting across tough terrain the safest way possible. Rock races, tough truck challenges, and other various forms of ultra and ultimate 4x4 formats have created a huge demand for a high powered, wide range, compact system. Novak’s Crusher crawling combos are here to answer that call, and are available in two motor turns- 18.5T #3258) and 21.5T #3259).

Each ESC and Motor combo includes Novak’s new Crusher ESC, which features all of the proven Novak rock crawling features like instant reverse, powered hill brakes, and full-time sensor-based performance for unmatched low- speed throttle response and power. Add to that a completely rebuildable Ballistic Crawler Brushless Motor, and a system that comes ready to install out of the package, and the Novak Crusher Crawler Combo has everything you’ve been looking for!
Crusher ESC
Motor Type:
Sensored Brushless
Fwd/Brk/Rev: F / Drag Brake / R (F / B / R when used with a non-crawling motor)
Input Cells (LiPo/Ni-MH): 2-4S LiPo cells/4-14 NiMH (Lipo recommended for performance setups and when using RPM Boost Timing)
Size (in/mm): 1.16? x 1.47? x 0.96" (29.5 x 37.3 x 24.4 mm)
Weight: 1.42 oz. (40.4 g)
On-Resistance (ohms): 0.00040 ohms @ 25?C trans. temp. (brushless)

Motor Limit
Brushless 2S:
6.5-turn 540-size (13.5T Crawler); 4.5T 550-size
Brushless 3S: 13.5-turn 540-size (13.5T Crawler); 6.5T 550-size
Brushless 4S: 13.5-turn 540-size (13.5T Crawler); 7.5T 550-size
BEC (volts / amps): 6.0 volts DC / 5.0 amps
Wire Size (GA): 14G Super-Flex Copper-Strand Silicone Wire

Motor Turn:
Part Number: NVK3619
Motor Size (540): 2.07" x 1.41" (52.6 x 35.8mm)
Motor Weight: 6.6 oz. (187g)
Shaft Diameter: 0.125"
Kv (Unloaded): 1,350 RPM/volt
Watts: 85
Magnetic Material: Sintered Neodymium
Design: Sensored

Review Summary