Fendt 800 S4 Maintenance Schedules

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Engine

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Job Notes Part Quantity
Perform stationary regeneration of DPF Must always be done before changing the engine oil.
Change engine oil 10W40 Syn. Deutz Engine Oil 79036470B 15L
Oil drain plug gasket ACO F731200510060 1
Change engine oil filter ACO F836200510080 1
Drain water from fuel filter
Drain water from fuel pre-filter As required.
Change fuel pre-filter ACO F842201060010 1
Change the DEF filter 1
Check air filter maintenance code
Check engine air filters Clean Out (Advise if replacement needed) 72608874 Outer, 72437627 Inner
Check and clean cooling radiators and fan As required.
Check for coolant system leaks
Check engine air intake system for leaks
Check water pump bearings & leaks at weep hole
Check fan bearings
Check engine belts

Transmission

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Job Notes Part Quantity
Check transmission oil level 821XL Hyd. / Trany Fluid
Check fluid level for clutch/brake actuation
Check for brake drag with rolling stop test

Front Axle & PTO

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Job Notes Part Quantity
Change oil in front PTO 821XL Hyd./Trany Fluid 79037113B 4L
Change filter in front PTO O-Ring is 72376561. If equipped with front PTO ACO 716150200160 1
ACO X540008278000 2
Check oil level in front differential 80W-90 Gear Oil with LS additive.
Check oil level in front axle hubs 80W-90 Gear Oil
Check front axle toe-in 0-2mm (0 to 0.08")

Hydraulics

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Job Notes Part Quantity
Check hydraulic oil level 821XL Hyd./Trany Fluid
Drain oil from couplers' oil recovery bottles As required.

Cab

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Job Notes Part Quantity
Change fresh air filter ACO H931812140600 1
Change recirculating air filter ACO H931812140511 1
Clean the a/c condenser
Windshield washer reservoir Refill as needed. 15-204 1

Compressed Air System

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Job Notes Part Quantity
Operate tank drain valve Operate drain valve to drain water.
Compressed air function/leak test

Electrical System

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Job Notes Part Quantity
Check lighting, signaling, and warnings systems for correct operation
Check software version, and update if necessary
Check battery acid level
Read out, record diagnostic memory & remedy faults

General

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Job Notes Part Quantity
Tighten wheel hardware to specifications
Check for loose hardware, linkages; check for leaks
Check tire pressure
Lubricate all grease points 79014728B 1
Test drive tractor, checking functions & braking systems
Check brake control
Check electro-hydraulic steering

Wheel Nut Torque Specifications

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Job Notes Part Quantity
Front wheel center to hub 330 ft/lbs (450NM)
Front wheel rim to dish 207 ft/lbs (280NM)
Rear wheel center to hub 457 ft/lbs (620NM)
Rear wheel hub tapers to axle (3 step tightening) 442 ft/lbs (600NM)
Rear wheel rim to dish 206 ft/lbs (280NM)
Wheel Weight, Rear/Tapered Cones – (M16 Bolt) Torque Spec 195 ft/lbs. with M16 Bolts
 The following parts are not in stock:
  • 79036470B
  • ACO F731200510060
  • ACO F836200510080
  • ACO F842201060010
  • 79037113B
  • ACO 716150200160
  • ACO X540008278000
  • ACO H931812140600
  • ACO H931812140511
  • 15-204
  • 79014728B

Contact Us Regarding Stock:

Purchase Parts

 Listed bellow are some of the parts that you may need for servicing your equipment. You can purchase them all, uncheck the ones you don’t feel are needed, or increase/decrease the quantities we’ve recommended.

Engine

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Job Part Quantity Add to Cart
Change the DEF filter ACP0594170 DEF Filter