Bobcat TL38.70 / TL38.70HF Agri service schedule

Bobcat agricultural telehandlers (telehandler) · 2017 on (Stage IV). Check your serial prefix: the Stage IV schedule covers B41N, B41P and B3ZS–B3ZV

Covers the Bobcat TL38.70 / TL38.70HF Agri (Stage IV).

Every maker's service job for the Bobcat TL38.70 / TL38.70HF Agri, counted in hours, with the oils, filters and parts each one needs. Add your telehandler to Farmyard Workshop and it works out what's due from your hours and dates, and keeps the service history.

Track your TL38.70 / TL38.70HF Agri for free

Service intervals

Job	When
50-hour greasing (boom and axle pivots)	every 50 hours
Engine oil and filter change	every 500 hours or every year
Fuel filter clean and check	every 500 hours or every year
Hydraulic / hydrostatic filters (three) and tank breather	every 500 hours or every year
Axle centre housing and differential oil change	every 500 hours or every year
Cab air filter check	every 500 hours or every year
Planetary hub oil change	every 750 hours or every year
Hydraulic fluid and filters change	every 1,000 hours or every year
Transfer gearbox oil change	every 1,000 hours or every year
Engine air filter outer element	every 1,000 hours or every year
Engine valve clearances	every 1,000 hours or every year
Crankcase oil separator filter	every 2,000 hours or every year
AdBlue (DEF) filter	every 3,000 hours or every 3 years
Alternator belt replacement	every 3,000 hours
Coolant change	every 2 years

Service jobs and parts

50-hour greasing (boom and axle pivots)

Chassis · every 50 hours

Bobcat names the grease points: every 50 hours the articulation pins, front and rear axle oscillation pivots, boom pivot, lift cylinder, levelling cylinder and the boom wear pads; every 10 hours the tilt cylinder rod end and the attachment carrier pins. Every 500 hours it adds the service brake pedal spring.

Part	Qty	Notes	Part number
Multipurpose lithium-based grease	1	Bobcat Multipurpose Grease, from the later schedule	check your handbook

Step-by-step

Park on firm level ground with the boom lowered. Apply the parking brake, stop the engine and take the key out.
To grease the boom wear pads, extend the boom only as far as needed with the boom low, then stop the engine. Never stand under a raised boom.
Wipe each nipple and grease the articulation pins, axle oscillation pivots, boom pivot, lift and levelling cylinders.
Apply grease to the wear pads, then retract and lower the boom.
Grease the tilt cylinder rod end and carrier pins as part of the daily checks.

Tools: Grease gun, Brush for wear pads, Rags

Engine oil and filter change

Engine · every 500 hours or every year

Bobcat lists the engine oil and filter every 500 hours or 12 months, with the first change at 50 hours on a new machine.

Part	Qty	Notes	Part number
Engine oil	1	SAE 15W-40 or 10W-30 (later-schedule grades). Quantity: check your handbook. Aztec Oils match: EMPROTEC EHPD 15W-40	check your handbook
Engine oil filter	1	Genuine Bobcat; Bobcat's parts shop lists it for the TL38.70HF and as the replacement for 7012303 and 7408258. Confirm with your dealer for a Stage IV serial number	7343102

Step-by-step

Park on firm level ground. Fully retract the boom and lower it with the attachment flat on the ground. Apply the parking brake, stop the engine and take the key out.
Let the engine cool until it is warm, not hot. Wear gloves.
Remove the sump plug and drain the oil.
Unscrew the old filter, oil the new filter's seal and fit it by hand.
Refit the plug and fill to the full mark. Do not overfill.
Run the engine for a minute, check for leaks, stop it and recheck the dipstick.

Tools: Drain tray (20 L), Filter wrench, Socket for sump plug, Funnel, Gloves, Rags

Fuel filter clean and check

Fuel · every 500 hours or every year

Bobcat lists replacing the fuel filter at the first 50 hours, then cleaning and checking it every 500 hours or 12 months. Drain trapped water every 10 hours when the display asks.

Part	Qty	Notes	Part number
Fuel filter element (if it needs replacing)	1	Genuine Bobcat element for the fuel filter housing 7316189, listed for the TL38.70HF by Bobcat's EU parts site. Confirm with your dealer for a Stage IV serial number	7319095

Step-by-step

Park with the boom retracted and lowered, apply the parking brake, stop the engine and take the key out. No naked flames.
Clean around the filter so no dirt can get in, then drain any water.
Clean and check the filter as your handbook shows, and replace it if it is dirty or damaged.
Bleed the fuel system as your handbook says, start the engine and check for leaks.

Tools: Filter wrench, Container for fuel, Rags, Gloves

Hydraulic / hydrostatic filters (three) and tank breather

Hydraulics · every 500 hours or every year

Bobcat lists replacing the three hydraulic/hydrostatic filter elements on the TL38.70 and the hydraulic tank breather every 500 hours or 12 months, with the first filter change at 50 hours. Bobcat says use genuine Bobcat filters. This is more often than the fluid change (1,000 hours), so it is a separate filter task.

Part	Qty	Notes	Part number
Hydraulic / hydrostatic filter element	3	Genuine Bobcat cartridge filter listed for the TL38.70HF. Bobcat also lists 7012478 for this range, and the three elements may not all be the same: confirm all three with your dealer	7012477
Hydraulic tank breather	1	Check your handbook	check your handbook

Step-by-step

Park on firm level ground. Fully retract and lower the boom with the attachment on the ground, apply the parking brake, stop the engine and take the key out.
With the engine off, move the joystick through all functions to let out trapped pressure. Fluid under pressure can pierce skin.
Clean around each filter housing, then change all three elements and their seals.
Change the tank breather.
Start the engine, check for leaks, put the boom back down retracted and check the hydraulic level.

Tools: Spanners, Filter wrench, Drain tray, Lint-free rags, Gloves

Axle centre housing and differential oil change

Axles · every 500 hours or every year

Bobcat lists the axle and differential oil every 500 hours or 12 months, says the maximum service time is 800 hours, and also lists it at 750 hours. We use the shorter interval. The first change is at 100 hours. Bobcat's later schedule halves axle oil intervals for heavy use, such as over 1,000 hours a year, shared machines, forestry or biogas work.

Part	Qty	Notes	Part number
Axle oil	1	ISO 100 / API GL-4 (later-schedule spec). Quantity: check your handbook. Aztec Oils match: AGRITEC HP-PRO	check your handbook

Step-by-step

Park on firm level ground with the boom retracted and lowered. Apply the parking brake, stop the engine, take the key out and chock the wheels.
Drain the front and rear axle centre housings.
Refit the drain plugs and fill each axle to its level plug.
Refit the plugs and check for leaks after the next run.

Tools: Drain trays, Spanners, Oil pump, Gloves

Cab air filter check

Cab · every 500 hours or every year

Bobcat lists checking the cab air filter and intake pipes every 500 hours or 12 months and replacing the filter as needed.

Part	Qty	Notes	Part number
Cab air filter	1	Bobcat's EU parts site lists both 7405971 and 7405972 as cab filters for TL38.70 models; ask your dealer which fits your serial number	check your handbook

Step-by-step

Stop the engine and take the key out.
Wear a dust mask. Remove the filter, check it and replace it if it is dirty or damaged.
Check the intake pipes for damage, then refit the cover.

Tools: Screwdriver, Dust mask

Planetary hub oil change

Axles · every 750 hours or every year

Each wheel has a planetary reduction hub with its own oil. Bobcat lists checking the level every 250 hours and replacing the oil every 750 hours or 12 months, with the first change at 100 hours.

Part	Qty	Notes	Part number
Hub oil	1	ISO 100 / API GL-4 (later-schedule spec). Quantity: check your handbook. Aztec Oils match: AGRITEC HP-PRO	check your handbook

Step-by-step

Park on level ground, boom retracted and lowered, parking brake on, engine off, key out, wheels chocked.
Move the machine a little at a time so each hub plug is in the drain position, then stop the engine before you work on it.
Drain each hub, turn it to the level position and fill to the level plug.
Refit the plugs and wipe the hubs clean.

Tools: Drain tray, Spanners, Oil pump or squeeze bottle

Hydraulic fluid and filters change

Hydraulics · every 1,000 hours or every year

Bobcat lists replacing the hydraulic fluid every 1,000 hours or 12 months. The three filter elements and the tank breather are changed at the same time.

Part	Qty	Notes	Part number
Hydraulic fluid	1	Bobcat Superior SH Hydraulic (later-schedule spec). Quantity: check your handbook	check your handbook
Hydraulic / hydrostatic filter element	3	Genuine Bobcat cartridge filter listed for the TL38.70HF. Bobcat also lists 7012478 for this range, and the three elements may not all be the same: confirm all three with your dealer	7012477
Hydraulic tank breather	1	Check your handbook	check your handbook

Step-by-step

Park on firm level ground. Fully retract and lower the boom with the attachment on the ground, apply the parking brake, stop the engine and take the key out.
Work the joystick with the engine off to release trapped pressure.
Drain the tank. Stand to one side when you pull the plug; warm oil can scald.
Change the three filter elements and the breather.
Refit the plug and fill with the correct fluid to the mark.
Start the engine, work all functions slowly, retract and lower the boom, stop the engine and recheck the level.

Tools: Large container, Spanners, Filter wrench, Pump, Gloves

Transfer gearbox oil change

Transmission · every 1,000 hours or every year

Bobcat lists checking the gearbox oil level every 500 hours and replacing it every 1,000 hours or 12 months, with the first change at 100 hours.

Part	Qty	Notes	Part number
Gearbox oil	1	Check your handbook	check your handbook

Step-by-step

Park on level ground with the boom retracted and lowered, parking brake on, engine off, key out.
Drain the gearbox, refit the plug and fill to the level mark.
Check for leaks after the next run.

Tools: Drain tray, Spanners, Pump

Engine air filter outer element

Engine · every 1,000 hours or every year

Bobcat lists replacing the outer air filter element every 1,000 hours or 12 months. Check the indicator and empty the dust cup every 10 hours. Change it sooner in dusty work.

Part	Qty	Notes	Part number
Outer air filter element	1	Bobcat number listed for the TL38.70 / TL38.70HF (inner element 7277323). Confirm with your dealer for your serial number	7277322

Step-by-step

Stop the engine and take the key out.
Open the air cleaner, take out the outer element and leave the inner one in place.
Wipe the housing with a damp cloth, fit the new element and close the housing.
Empty the dust cup.

Tools: Torch, Damp cloth

Engine valve clearances

Engine · every 1,000 hours or every year

Bobcat lists checking and adjusting the valve clearances every 1,000 hours or 12 months on the Stage IV machine. This is usually a dealer job.

Part	Qty	Notes	Part number
Rocker cover gasket	1	Check your handbook	check your handbook

Step-by-step

Stop the engine, take the key out and work on a cold engine.
Remove the rocker cover and check each valve at the clearance in your handbook (not in our sources).
Adjust where needed and refit the cover.

Tools: Feeler gauges, Engine turning tool, Socket set

Crankcase oil separator filter

Engine · every 2,000 hours or every year

Bobcat lists replacing the engine oil separator filter every 2,000 hours or 12 months.

Part	Qty	Notes	Part number
Oil separator filter	1	Genuine Bobcat; Bobcat EU parts page for TL38.70HF (page refused a direct fetch, number read from search-result text). Confirm against serial.	7298180

Step-by-step

Stop the engine, take the key out and let it cool.
Change the oil separator filter as your handbook shows and check the hoses for splits.

Tools: Spanners, Rags

AdBlue (DEF) filter

Exhaust · every 3,000 hours or every 3 years

The Stage IV engine uses AdBlue for its SCR exhaust system. Bobcat lists replacing the AdBlue filter every 3,000 hours or 3 years.

Part	Qty	Notes	Part number
AdBlue (DEF) filter	1	Genuine Bobcat DEF / AdBlue filter kit listed for telehandlers including the TL38.70HF. Confirm with your dealer for your serial number	7311062

Step-by-step

Stop the engine, take the key out and wait for the AdBlue system to finish purging.
Change the filter as your handbook shows. AdBlue corrodes some metals, so wipe up spills with water.

Tools: Filter tool as your handbook says, Gloves, Rags

Alternator belt replacement

Engine · every 3,000 hours

Bobcat lists checking the alternator belt every 1,000 hours and replacing it every 3,000 hours.

Part	Qty	Notes	Part number
Alternator belt	1	Check your handbook	check your handbook

Step-by-step

Stop the engine, take the key out and let it cool.
Release the tensioner, fit the new belt on all pulleys and let the tensioner take up.

Tools: Belt tensioner tool or spanners

Coolant change

Cooling · every 2 years

Bobcat lists checking the coolant strength with a refractometer every 500 hours and replacing the coolant every 24 months.

Part	Qty	Notes	Part number
Coolant	1	Bobcat Advanced Coolant, premixed (later-schedule spec). Quantity: check your handbook	check your handbook

Step-by-step

Only work on a cold engine; the system is under pressure when hot.
Open the cap slowly, drain the radiator and block, and dispose of the old coolant safely. It is poisonous to animals.
Refit the drain plugs and fill with premixed coolant.
Run the engine to working temperature, let it cool and top up.

Tools: Drain tray, Refractometer, Funnel

Oils, fluids and capacities

System	Oil or spec	Capacity
Engine	Bobcat (Doosan) 3.4 L 4-cylinder turbo diesel, 130 hp, 500 Nm, Stage IV with SCR (AdBlue)
Engine oil	SAE 15W-40 (−20 to +40 °C) or SAE 10W-30 (−25 to +30 °C). These grades are from Bobcat's later schedule for the same-size engine; check your handbook for a Stage IV machine.	Not in our sources: check your handbook
Coolant	Bobcat Advanced Coolant (ethylene glycol, premixed), from Bobcat's later schedule. Capacity: check your handbook.
Valve clearances	Check and adjust every 1,000 hours or 12 months. The clearance figure was not in our sources: check your handbook.
Hydraulic / hydrostatic system	Bobcat Superior SH Hydraulic (−35 to +50 °C), from Bobcat's later schedule	Check your handbook
Front and rear axle centre housings and differentials	ISO 100 / API GL-4 (−20 to +40 °C), from Bobcat's later schedule	Check your handbook
Planetary hubs (wheel ends)	ISO 100 / API GL-4, from Bobcat's later schedule	Check your handbook
Transfer gearbox	Check your handbook	Check your handbook
Fuel tank	Diesel	≈138 L
AdBlue (DEF) tank	AdBlue / DEF	Check your handbook

Specifications


Engine power	130 hp
Maximum lift capacity	3,800 kg
Capacity at maximum height	3,500 kg
Capacity at maximum reach	1,500 kg
Maximum lift height	≈6.97 m
Maximum forward reach	≈4.0 m
Hydraulic flow	150 or 190 L/min (HF); quick couplers 250 bar
Transmission	Hydrostatic, 2 ranges; change range only at a standstill
Road speed and towing	Homologated for 40 km/h and 19 t braked trailer
Unladen weight	≈7.6 t
Tyres	460/70R24 (as tested)
Built at	Pontchâteau, France

Known problems

Axle oil interval is shorter in hard use

Bobcat sets a maximum of 800 hours for the axle and differential oil, and its later schedule halves axle oil intervals for machines doing over 1,000 hours a year, shared machines and forestry or biogas work.

Genuine hydraulic filters only

Bobcat says use genuine Bobcat elements for the three hydraulic/hydrostatic filters. The first change is due at 50 hours, which is easy to miss on a new machine.

Range change only when stopped

The two-range hydrostatic transmission must be at a standstill to change range, which catches out drivers used to shift-on-the-move machines.

Slow boom at low revs

Testers found the boom sluggish to drop and retract at low engine speed. That is normal for this machine, not a hydraulic fault.

Repair guides

Axle, differential and planetary hub oil (shorter intervals in hard use) (Moderate, 2–3 hours for both axles): Axle oil overdue, brake noise from the axles, oil seeping at a hub, machine doing over 1,000 hours a year.
Hydraulic/hydrostatic filters: genuine elements and the 50-hour first change (Moderate, 1–1.5 hours): New machine past 50 hours with no filter change, filter warning, slow or noisy hydraulics, hydrostatic drive hesitation.
Hydrostatic range change and slow boom: what's normal (Easy, 15 minutes): Range won't change, grinding when changing range, boom slow to lower and retract at low revs.
Boom wear pads, pivot greasing and the LLMC calibration test (Moderate, 1 hour): Boom judders or knocks extending, dry pads, LLMC warnings with no load or no cut-out at the limit.

The full step-by-step guides are in Farmyard Workshop once you add your telehandler.

Sources

Open Farmyard Workshop