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PM schedule · Compact track loader

Cat 259D3 maintenance schedule

Service intervals, fluids and filters for the Cat 259D3. Full specs, part numbers and heavy-duty intervals are in goAardvark.

  • Series D3 (Tier 4 Final / Stage V)
  • Engine Cat C3.3B DIT
  • Emissions Tier 4 Final, Stage V
  • Size class 70–80 hp
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Source: Cat 259D3 Maintenance & Service page (cat.com service center) · Last verified October 29, 2026 · Always confirm with the operator's manual for your serial number

What's due next?

Enter the hour meter (SMU) reading to see what's coming up.

hr
  • 3,000 hr service

    Includes 1,500 hr, 1,000 hr, 500 hr

    at 3,000In 160 hr
  • 500 hr service

    at 3,500In 660 hr
  • 1,000 hr service

    Includes 500 hr

    at 4,000In 1,160 hr
  • 1,500 hr service

    Includes 500 hr

    at 4,500In 1,660 hr

Shows the next four service stops. Red means due within 50 hours; amber, within 250. goAardvark tracks this automatically from telematics hours, across every make in your fleet.

The short answer

On the Cat 259D3, change the engine oil every 500 service hours. Change the hydraulic oil every 1,000 hours.

Service intervals

Pick an interval. Each service includes everything from the shorter intervals that fall on the same hour.

Every 500 hours

0 of 7 done

+3 heavy-duty or special-condition intervals are in goAardvark.

Fluids and capacities 3 of 6 shown

SystemSpecCapacity
Engine crankcase—11 L3 gal
Hydraulic tank—39 L10.3 gal
Fuel tank—94 L24.8 gal
Hydraulic systemAvailable in goAardvarkAvailable in goAardvark
Cooling systemAvailable in goAardvarkAvailable in goAardvark
Final drivesAvailable in goAardvarkAvailable in goAardvark

3 more systems with specs and capacities are in goAardvark.

Unlock full specs

Filters 2 of 10 shown

FilterPart numberChange at
Engine oil filterAvailable in goAardvark500 hr
Hydraulic oil filterAvailable in goAardvark1,000 hr
Primary fuel filterAvailable in goAardvarkAvailable in goAardvark
Engine air filter, primaryAvailable in goAardvarkAvailable in goAardvark
Engine air filter, secondaryAvailable in goAardvarkAvailable in goAardvark
Engine air filter, in-lineAvailable in goAardvarkAvailable in goAardvark
Hydraulic tank breatherAvailable in goAardvarkAvailable in goAardvark
Cab fresh air filterAvailable in goAardvarkAvailable in goAardvark
Cab recirculating air filterAvailable in goAardvarkAvailable in goAardvark
Engine crankcase breatherAvailable in goAardvarkAvailable in goAardvark

All 10 filters with part numbers are in goAardvark.

Unlock full specs

Fleet PM snapshot

Add up to 5 machines to see when each one hits its next service. This is free and needs no sign-up.

MachineHours nowHours per weekNext serviceAround

3,000 hr at 3,000

160 hr
Dec 8
1 of 5 machines
This snapshot is out of date as soon as the machines run. If your Cat 259D3 runs 52 hr a week instead of 40, its service lands around Dec 2. If it sits at 24 hr a week, around Dec 27. goAardvark reads real hours from Cat, Deere, Komatsu and Volvo telematics every day, so the dates stay right.
See it live with your fleetRequest a demo and we'll show these machines in goAardvark.

Official Cat maintenance resources

Your 259D3 isn't the only machine due for service

Most fleets run several makes side by side. Each has its own manual, intervals and telematics portal. goAardvark pulls hours from all of them and builds one PM schedule for the whole fleet.

Compare similar compact track loaders

Frequently asked questions

Every 500 service hours under normal operating conditions. Confirm the interval for your serial number in the operator's manual.

Sources

Cat and other product names are trademarks of their owners. goAardvark is not affiliated with any equipment manufacturer. This page summarizes public information for planning; your operator's manual is the authority for your serial number.

Preventive maintenance · Field checklist

Cat 259D3 PM checklist

Unit #
Serial number
Hour meter
Technician
Date

500 hr

Service taskComponent
Change final drive oilDrivetrain
Change engine oil and filterEngine
Replace engine air filter elementsPrimary, secondary and in-line elements listed.Engine
Replace primary fuel filterFuel
Lubricate machineMachine
Replace hydraulic tank breatherHydraulics
Replace cab fresh air and recirculating filtersClosed cab machines only.Cab

1,000 hr

Service taskComponent
Replace engine beltEngine
Replace A/C compressor beltClosed cab machines only.Cab
Replace hydraulic oil filterHydraulics

1,500 hr

Service taskComponent
Replace crankcase breatherEngine

3,000 hr

Service taskComponent
Change hydraulic oilCat HYDO Advanced 10 without 500 hr S·O·S sampling.Hydraulics

First 250 hr

Service taskComponent
Change final drive oilDrivetrain

Source: Cat 259D3 Maintenance & Service page (cat.com service center). Always confirm with the operator's manual for your serial number.