
Genuine Maytronics part · Tracks & Wheels
Dolphin Grey Replacement Tracks (2 Pack)
Part number 9985006-R2 · UPC 810071220999 · 3 months part warranty
Genuine Maytronics grey replacement tracks for Dolphin Sigma, Dolphin Premier and Dolphin Nautilus CC Plus WiFi, supplied in a two-pack.
$34.99 MSRP
Not stocked by Poolbots. Sold on Amazon as a genuine Maytronics part.
Ships from Amazon.com. As an Amazon Associate, Poolbots earns from qualifying purchases.
About this part
What it does and when to replace it.
These genuine Maytronics grey tracks replace worn tracks on compatible Dolphin pool robots. They provide grip so the robot can move across pool surfaces while cleaning.
Part 9985006-R2 includes two replacement tracks. Confirmed fits include Dolphin Sigma, Dolphin Premier and Dolphin Nautilus CC Plus WiFi, among other models. Poolbots does not currently stock this part. Contact Poolbots' pool experts by live chat or phone to confirm compatibility with your exact robot.
- Check fit using your robot's exact model name and part number 9985006-R2, not the track color alone.
- Inspect both tracks for wear. This package includes two replacements.
Compatibility
Fits these Dolphin robots.
Confirmed by Maytronics' compatibility checker and each robot's own spare-parts list.
Also listed by Maytronics for: Dolphin Wave 100, Dolphin Sigma, Dolphin M400, Dolphin Wave 60, Dolphin Wave 80, Dolphin Nautilus CC Supreme, Dolphin Wave 120, Dolphin Premier, Dolphin Nautilus CC Plus, Dolphin Nautilus CC Plus w/ Wi-Fi, Dolphin W20, Dolphin 2X2 C6 Plus, 2X2, Dolphin 2X2, Dolphin Revolution V4, Pro X2, Dolphin Pro X2, Wave 100, Dolphin C6, Explorer, Dolphin Hydro 40, Dolphin DIVER PRO 150, Dolphin Evolution 40, EX45, Dolphin EX45, F40, PS40, SF40, Dolphin SF40, Dolphin Swell M, Dolphin Zenit 15, Dolphin Active Classic, Dolphin Easy Comfort, Dolphin KAPTUR 150, Dolphin X60, Dolphin Maximus X70, Dolphin Zenit 20, Dolphin Active X4, Dolphin Comfort Active, Dolphin KAPTUR 400.
Do it yourself
How to replace it at home.
Switch off and unplug the power supply.
Remove the robot from the pool and place it on a stable surface.
Follow the track-replacement instructions for your exact model to remove the worn tracks.
Fit the replacement tracks according to those instructions.
Check that both tracks are seated correctly before reconnecting power.
Step-by-step answers for this kind of part
How do I replace the tracks on my Dolphin robot?Video20 min
Find your model below for its track replacement video and written instructions. The steps vary by model.
M400/M500/Aquarius XL

Replacement track part number: 9985006-R2.
- Disconnect the power supply from the electrical outlet.
- Lower the handle, then turn the robot onto its back.
- Use a screwdriver to release the back brush from its sockets.
- Carefully lift out the brush, leaving the tracks in place.
- Pull the front brush out of its sockets by hand.
- Remove all four screws from one side panel, then take off the panel.
- Take off the rubber track.
- Remove all four screws from the opposite side panel, then take off that panel.
- Take off the rubber track on that side.
- Fit the replacement track and reinstall the side panel with its four screws. Repeat on the opposite side.
- Put both brushes back into their designated sockets.
- Return the robot to its upright position and straighten the handle.
S50 (S50, E10, E20, Active 10, Cayman, Escape, Encore)

Track part number for S50: 99831521-R2.
Track part number for E10/E20/Active 10/Cayman/Escape/Encore: 9983152-R2.
Before starting, disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
S100 (Advantage, Proteus DX3, Saturn, Echo, Nautilus CC, Active 15, Cayman, Escape, Explorer E20)

S100 track part number: 99831521-R2.
Gray track part number: 9983152-R2.
- Disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
S200 (E30, Advantage Ultra, Active 20, Quantum, T35, Triton PS)

S200 track part number: 99831521-R2.
Gray track part number: 9983152-R2.
- Disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
S300/S400 (Proteus DX5i, Active 30, T35/T45, Premium 40, Explorer E30, Active 30i, T55i, E50, Active 50, Explorer E50)

S300 track part number: 99831521-R2.
Gray track part number: 9983152-R2.
- Disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
M550/M600/M700 (Active 60, E60i, Explorer E70)

Replacement track part number: 9983152-R2.
- Disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
Liberty 200/300/400

Replacement track part number: 9983152-R2.
- Disconnect the power supply from the electrical outlet.
- Place the robot upside down.
- Take the existing tracks off the robot.
- Fit a replacement track on each side.
- Turn the brush to check that the tracks are fitted correctly.
Liberty 600
Follow this model's video for the replacement procedure.

Replacement track part number: 9983152-R2.
Nautilus CC Plus
Follow this model's video for the replacement procedure.

Replacement track part number: 9983152-R2.
Premier
Follow this model's video for the replacement procedure.

Replacement track part number: 9985006-R2.
Sigma/Nautilus CC Supreme
Follow this model's video for the replacement procedure.

Replacement track part number: 9985006-R2.
Finding replacement tracks
Poolbots sells replacement parts. For help choosing tracks for your model or following the replacement steps, contact Poolbots' pool experts by live chat or phone.
Specifications
Size & Dimension
- Package Dimensions
- 17.0x2.4x9.9 inch
General Info
- Warranty (years)
- 0.25
- UPC
- 810071220999
Questions
Dolphin Grey Replacement Tracks (2 Pack), answered.
Does this part fit Dolphin Nautilus CC Plus and Dolphin Nautilus CC Plus WiFi?
Yes. Both Dolphin Nautilus CC Plus and Dolphin Nautilus CC Plus WiFi are confirmed compatible with 9985006-R2.
How many tracks come in the package?
Part 9985006-R2 contains two grey replacement tracks.
Can I buy this part from Poolbots?
Poolbots does not currently stock this part in its own store. Contact Poolbots' pool experts by live chat or phone for help identifying it and checking fit.























