01Maintenance

Preventive maintenance schedules.

The single biggest determinant of total cost of ownership is not what you paid for the machine — it is whether you serviced it on time. Use the SDLG India schedules below.

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02By the Hour

Service schedule by hour interval.

Skipping a 250-hour service to save ₹6,000 today routinely costs ₹1.5 lakh in unscheduled repairs within 18 months. Stick to the schedule.

Hours	Frequency	Tasks
50 hours	Daily / break-in	Visual walk-around: leaks, fasteners Engine oil & coolant levels Hydraulic oil sight glass Tyre pressure and condition Greasing of articulation points
250 hours	Monthly	Engine oil + filter (first only) Fuel filter primary element Air filter cleaning / inspection Battery terminals and electrolyte Brake oil top-up
500 hours	Quarterly	Engine oil + oil filter swap Fuel filter & water separator swap Hydraulic return filter Air filter primary swap Drive shaft greasing Tyre rotation check
1000 hours	Half-yearly	Hydraulic oil + suction filter Transmission oil + filter Coolant top-up & inhibitor check Air filter secondary swap Final drive oil Brake disc inspection Hose & line pressure test
2000 hours	Annual / major	Full hydraulic oil flush + filters Transmission oil flush + filter Final drive oil flush both axles Coolant flush & refill Injector test, valve clearance Turbo & EGR clean / inspect Belt swap, alternator check Cab AC service, dryer swap

Schedule reflects L968H-class wheel loader · Mining and dusty sites should halve all major fluid intervals.

03Fluid Specifications

Fluids, capacities, intervals.

Use only fluids meeting these specifications. Cheap multi-grade substitutes are the leading cause of premature pump and transmission failure in Indian conditions.

500 hrs

Engine oil

SpecAPI CK-4 / 15W-40

Capacity24 L

2000 hrs

Hydraulic oil

SpecISO VG-46 (mineral) / VG-32 (winter)

Capacity210 L

2000 hrs

Coolant

SpecOAT long-life, 50:50 with DM water

Capacity32 L

1000 hrs

Transmission oil

SpecTO-4 / SAE 30

Capacity38 L

04Service Kits

Three pre-built kits. No guesswork.

Each kit ships in a single carton with a printed checklist. Your engineer can complete the service without a separate parts run. Pricing indicative for L968H.

SK-B

Basic kit

500-hour service

₹6,800

Engine oil filter
Fuel filter primary
Hydraulic return filter
Air filter primary
20 L API CK-4 engine oil

SK-F

Full PM kit

1000-hour service

₹14,500

All Basic kit contents
Hydraulic suction filter
Transmission filter
Air filter secondary
5 L coolant concentrate
10 L transmission oil

SK-M

Mining-spec kit

1000-hour service · heavy duty

₹18,400

All Full PM kit contents
Heavy-duty crankcase filter
Dust pre-cleaner element
Dust ejector valve
Premium high-VI hydraulic oil
Cab AC dust filter set

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