The Land Rover 30DDTX is a 2,993 cc, inline-six turbocharged diesel engine produced between 2020 and 2023. Part of Jaguar Land Rover's Ingenium engine family, it features high-pressure common-rail injection, a twin-scroll turbocharger, and variable valve timing. In standard tune it delivers 184 kW (250 PS) and 570 Nm of torque, with overboost functionality temporarily increasing torque to 600 Nm for improved overtaking response.
Fitted to models including the Range Rover Velar P300d, Discovery, and Range Rover (L460), the 30DDTX was engineered for refined highway cruising and confident towing performance. Emissions compliance is achieved through a cooled exhaust gas recirculation (EGR) system, diesel particulate filter (DPF), and selective catalytic reduction (SCR) with AdBlue injection, enabling adherence to Euro 6d-Final standards across all production years.
One documented reliability concern is EGR cooler cracking, highlighted in Land Rover Technical Service Bulletin P313-0022. This issue arises from thermal stress cycles and coolant contamination, leading to exhaust gas leakage into the cooling system. From 2022, revised EGR cooler casting and updated coolant flow management were implemented to improve durability.
All production years (2020–2023) comply with Euro 6d-Final emissions standards (VCA UK Type Approval #VCA/EMS/5682).
The Land Rover 30DDTX is a 2,993 cc inline-six turbocharged diesel engine developed for full-size luxury SUVs (2020–2023). It integrates twin-scroll turbocharging with Bosch CRS 4-25 common-rail injection to deliver smooth, linear power delivery and strong low-end torque. Designed to meet Euro 6d-Final regulations, it balances refinement with emissions control through DPF and SCR systems.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,993 cc | |
| Fuel type | Diesel | |
| Configuration | Inline-6, DOHC, 24-valve | |
| Aspiration | Turbocharged (twin-scroll) | |
| Bore × stroke | 84.0 mm × 90.0 mm | |
| Power output | 184 kW (250 PS) @ 4,000 rpm | |
| Torque | 570 Nm @ 1,750–2,500 rpm (600 Nm overboost) | |
| Fuel system | Bosch CRS 4-25 common-rail (up to 2,500 bar) | |
| Emissions standard | Euro 6d-Final | |
| Compression ratio | 15.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Honeywell twin-scroll turbo with integrated EGR routing | |
| Timing system | Dual-chain (primary and secondary) | |
| Oil type | Jaguar Land Rover STJLR.51.5004 (SAE 5W-30) | |
| Dry weight | 198 kg |
The twin-scroll turbo provides strong low-RPM torque ideal for towing and highway driving but requires adherence to 15,000 km oil service intervals to prevent EGR cooler degradation and turbo bearing wear. JLR STJLR.51.5004 (5W-30) oil is essential due to its low-ash formulation protecting the DPF and SCR system. Short-trip driving inhibits passive DPF regeneration, necessitating periodic highway runs. The Bosch CRS 4-25 fuel system demands ultra-low sulfur diesel (ULSD) meeting EN 590 standards to prevent injector wear. Post-2022 models feature updated EGR cooler casting; pre-2022 units should have coolant condition monitored per SIB P313-0022.
Oil Specs: Requires JLR STJLR.51.5004 (5W-30) specification (Land Rover SIB P312-0056). Supersedes ACEA C2 standards.
Emissions: All 30DDTX engines (2020–2023) comply with Euro 6d-Final standards (VCA Type Approval #VCA/EMS/5682).
Power Ratings: Measured under SAE J1349 standards. Overboost torque (600 Nm) available for up to 15 seconds under full load (JLR PTS-2021).
Land Rover Technical Data System (TDS): Docs ING6D-30, SIB P313-0022, P312-0056
VCA Type Approval Database (VCA/EMS/5682)
SAE International: J1349 Engine Power Certification Standards
The Land Rover 30DDTX was used across Land Rover's Velar/Discovery platforms with longitudinal mounting and adapted for the Range Rover's premium architecture. This engine received platform-specific tuning-optimized torque curves in the Velar and revised cooling management in the Discovery-and from 2022 the Range Rover L460 adopted the SCR-enhanced 30DDTX variant with updated ECU mapping, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped vertically on the left-side cylinder block near the exhaust manifold (Land Rover TDS ING6D-30). The 8th VIN digit indicates engine type ('D' for Ingenium 3.0L diesel). Pre-2022 models have silver intake manifolds with black plastic covers; post-2022 units use gloss black covers. Critical differentiation from 25 D25: 30DDTX is an inline-six with twin-scroll turbo, while 25 D25 is an inline-four. Service parts require production date verification—EGR coolers for pre-2022 models are incompatible with post-2022 revisions due to internal casting changes (Land Rover SIB P313-0022).
The 30DDTX's primary reliability risk is EGR cooler cracking, with elevated incidence in mixed driving cycles. Internal Land Rover quality reports from 2021 noted a significant share of pre-2022 engines requiring EGR cooler replacement before 100,000 km, while UK DVSA records link SCR system faults to infrequent AdBlue top-ups in city-driven vehicles. Stop-start operation and load variation increase thermal cycling, making coolant maintenance and driving pattern adherence critical.
Analysis derived from Land Rover technical bulletins (2020-2023) and UK DVSA failure statistics (2021-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about LAND-ROVER 30DDTX.
Comprehensive technical documentation and regulatory references
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LAND-ROVER Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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