
Genuine Maytronics part · Tracks & Wheels
Maytronics Grey Long and Short Tracks (2 Pack)
Part number 9985015-R2 · UPC 810071221248 · 1 year part warranty
Genuine Maytronics grey long and short replacement tracks for Dolphin Nautilus CC Plus WiFi.
$34.99 MSRP
Out of stock
About this part
What it does and when to replace it.
These genuine Maytronics tracks help your Dolphin robot grip pool surfaces and move during cleaning. They replace worn or damaged tracks.
The confirmed compatible model is Dolphin Nautilus CC Plus WiFi. Part 9985015-R2 comes as a 2-pack of grey long and short replacement tracks. Poolbots does not currently stock this part. For help checking fit and identifying the right replacement, contact Poolbots' pool experts by live chat or phone.
- Have your robot's model name and part number 9985015-R2 ready when contacting Poolbots' pool experts.
- Inspect both tracks for wear, even if only one shows obvious damage.
Compatibility
Fits these Dolphin robots.
Confirmed by Maytronics' compatibility checker and each robot's own spare-parts list.
Also listed by Maytronics for: POOL IN, POOL UP, Dolphin POOL UP, Dolphin X FORCE 10, M200, Dolphin M200, Dolphin DX3, Dolphin Swell, Dolphin Triton 2014, Dolphin Swash CL, Cosmos 20, Dolphin X FORCE 20.
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 your robot's track replacement instructions to remove the worn tracks.
Install the matching long and short replacement tracks as directed.
Check that both tracks are properly seated before returning the robot to the pool.
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)
- 1
- UPC
- 810071221248
Questions
Maytronics Grey Long and Short Tracks (2 Pack), answered.
Does 9985015-R2 fit my robot?
Dolphin Nautilus CC Plus WiFi is the confirmed compatible model. For any other model, ask Poolbots' pool experts to check fit before choosing this part.
What comes in the pack, and what warranty does it have?
The package contains a 2-pack of grey long and short replacement tracks. The part carries a 1-year warranty.
Can I buy this part from Poolbots?
Poolbots does not currently stock 9985015-R2 in its own store. Contact Poolbots' pool experts by live chat or phone for help identifying the part.










