Land Rover   ·   2020–2026

Defender 3 D250 MHEV: Technical specifications

Technical specifications (2020–2026)

The Land Rover Defender (L663) 3 D250 MHEV is the 3-litre diesel variant, engine code DT306, built from 2020 to 2026. Quick answers and key figures below, then the full workshop tables.

Engine codeDT306
Power183 kW (249 hp)@ 4000 rpm
FuelDiesel
Cylinders6
Oil capacity8,8litres · with the filter

Engine & identification

Vehicle identification

No. of cylinders Type6/DOHC
Capacity cc2997
Compression ratio :115,5
Fuel system MakeBosch

Injection system

Air metering TypeMass/MAP
Pump typeCommon rail
Fuel main pump delivery pressure bar2500 Max

Valve clearances

Valve clearances on the Land Rover Defender 3 D250 MHEV (2020–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mmHydraulic
Valve clearance - EXHAUST mmHydraulic

Engine oil & fluids

Engine oil

The Land Rover Defender 3 D250 MHEV (2020–2026) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-30 for all ambient temperatures, with oil specification STJLR.03.5007 and API/ACEA classification /C2.

Transfer box

The transfer box has a listed capacity of 1.5 litres. The specified oil is Shell TF 0753.

Coolant

The listed coolant type is Havoline XLC. The recorded coolant colour is Orange. The listed total cooling-system capacity is 14.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range All temperatures
Engine oil grade SAE 0W-30
Engine oil classification OEM STJLR.03.5007
Engine oil classification API/ACEA /C2
Engine with filter(s) litres 8.8
Other lubricants and capacities
Automatic transmission fluid Type Shell L12108 (ZF Lifeguard 8)
Automatic transmission (drain & refill) litres
View more information
Filling and checking level
Automatic transmission (dry fill) litres 8.5
Automatic transmission - dry-fill capacity
Differential oil grade - front SAE Castrol BOT750B
Differential front/AT litres 0.50-0.52
Front differential
Differential oil grade - rear SAE Castrol BOT750B
Differential rear litres 0.84-0.86
Rear differential
Transfer box oil grade SAE Shell TF 0753
Transfer box litres 1.5
Coolant Type Havoline XLC
Coolant Colour Orange
Cooling system - total capacity litres 14.5
Cooling system
Brake fluid Type DOT 4
Brake fluid classification ISO Class 6
Brake fluid litres 0.9
Selective catalytic reduction (SCR) additive Type AdBlue (AUS 32)

Brakes & wear limits

Brake disc thickness

Brake discs on the Land Rover Defender 3 D250 MHEV (2020–2026) are replaced at a minimum thickness of 32 mm (ventilated) front and 23 mm (ventilated) rear.

Minimum disc thickness for replacement - ventilated Front32 mm
Minimum disc thickness for replacement - front
Minimum disc thickness for replacement - ventilated Rear23 mm

Brake disc and drum dimensions

Minimum disc thickness for replacement - front
Minimum pad thickness Front
Minimum brake pad thickness - front
Minimum pad thickness Rear3 mm

Bar lengths use a square-root scale so small and large values stay readable.

Service & electrical

Service checks and adjustments

Radiator cap bar1,40
Thermostat opens °C90

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Land Rover Defender 3 D250 MHEV (2020–2026) are tightened in 3 stages: 50 Nm, then 90°, then a final 190°.

Cylinder head
Renew boltsYes
Tighten50 Nm
Tighten90°
Tighten190°
TightenM6=12 Nm
Cylinder head instructions
Other engine tightening torques
Main bearings Renew bolts/nutsYes
Main bearings Stage 1
Big end bearings Renew bolts/nutsYes
Big end bearings Stage 120 Nm
Big end bearings Stage 2125°
Oil pump to cylinder block25 Nm
Sump bolts
View more information
Lower oil pan
Sump drain bolt23 Nm
Flywheel/driveplate-/30 Nm+120°
Crankshaft pulley/damper bolts37 Nm+90°
Camshaft sprocket/gear80 Nm+90°
Camshaft carrier/cap12 Nm
Camshaft/rocker cover1)10 Nm 2)30 Nm
Inlet manifold to cylinder head12 Nm
Exhaust manifold to cylinder head1)10 Nm 2)18 Nm
Water pump25 Nm
Injector/clamp11 Nm+236°
Injector pipe unions11 Nm+62°
Glow plugs18 Nm
Glow plugs
Crankshaft position (CKP) sensor/engine speed (RPM) sensor8 Nm
Camshaft position (CMP) sensor8 Nm
Nitrogen oxide (NOx) sensor60 Nm
Engine oil pressure switch15 Nm
Oil filter25 Nm
Chassis tightening torques
Front hub120 Nm+60°
Front hub - wheel bearing housing bolts
Front hub - wheel bearing housing bolts
Rear hub120 Nm+60°
Steering wheel48 Nm
Steering rack/box mounting110 Nm+180°
Steering track rod end140 Nm
Brake disc to hub Front10 Nm
Brake caliper to carrier Front35 Nm
Brake caliper/carrier to hub Front133 Nm+60°
Brake disc to hub Rear10 Nm
Brake disc to hub - rear
Brake caliper to carrier Rear35 Nm
Brake caliper/carrier to hub Rear110 Nm+120°
ABS sensor Front9 Nm
ABS sensor Rear9 Nm
Road wheels

Bar lengths use a square-root scale so small and large values stay readable.

Air conditioning

No. of AC service connectors2
Air conditioning restrictor typeExpansion valve
Compressor clutch/magnetic couplingYes
Compressor variable displacement solenoidYes
Air conditioning refrigerant Type
Do not mix R134a with R1234yf.
Air conditioning refrigerant quantity grams650±10
Air conditioning refrigerant quantity
Air conditioning oil groupPAG
Air conditioning oil TypeSPA2
Air conditioning oil quantity cm³80

Frequently asked questions

How much oil does the Land Rover Defender 3 D250 MHEV take?

The Land Rover Defender 3 D250 MHEV (2020–2026) takes 8.8 litres of engine oil with the filter. The specified engine oil grade is SAE 0W-30 for all ambient temperatures, with oil specification STJLR.03.5007 and API/ACEA classification /C2.

What are the valve clearances for the Land Rover Defender 3 D250 MHEV?

Valve clearances on the Land Rover Defender 3 D250 MHEV (2020–2026) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Land Rover Defender 3 D250 MHEV?

The cylinder head bolts on the Land Rover Defender 3 D250 MHEV (2020–2026) are tightened in 3 stages: 50 Nm, then 90°, then a final 190°.

What is the minimum brake disc thickness for the Land Rover Defender 3 D250 MHEV?

Brake discs on the Land Rover Defender 3 D250 MHEV (2020–2026) are replaced at a minimum thickness of 32 mm (ventilated) front and 23 mm (ventilated) rear.