The Nissan RD28Ti is a 2,826 cc, inline‑six turbo‑diesel engine produced between 1990 and 1996. It features an SOHC, 12‑valve design with indirect injection and a Garrett T3 turbocharger, prioritising low — end torque and rugged durability. Peak output is rated at 98 kW (133 PS) and 294 Nm, making it suitable for heavy — duty SUVs and commercial vehicles where towing and load capacity were paramount.
Fitted primarily to the Patrol Y60 and Safari, the RD28Ti was engineered fo…
Nissan
Production years 1990–1996 meet Japanese 1988 emissions standards for relevant markets (MLIT Japan Type Approval #JIS-D-1001).
The Nissan RD28Ti is a 2,826 cc inline‑six turbo‑diesel engineered for heavy-duty SUVs (1990-1996). It combines indirect injection with a robust SOHC valvetrain and a Garrett T3 turbo to deliver exceptional low‑end torque and legendary off-road durability. Designed to meet Japanese 1988 emissions standards, it prioritises mechanical simplicity over emissions performance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,826 cc | |
Fuel type | Diesel | |
Configuration | Inline‑6, SOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 86.0 mm × 81.0 mm | |
Power output | 98 kW (133 PS) @ 4,000 rpm | |
Torque | 294 Nm @ 2,000 rpm | |
Fuel system | Indirect injection (Zexel VE-type pump) | |
Emissions standard | Japanese 1988 | |
Compression ratio | 21.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Garrett T3 (non-intercooled) | |
Timing system | Chain | |
Oil type | API CD or equivalent (SAE 15W‑40) | |
Dry weight | 245 kg |
The Nissan RD28Ti was used across Nissan's heavy-duty SUV platforms with longitudinal mounting. This engine received platform-specific adaptations-reinforced mounts and transmission coolers in the Patrol for off-road use-and no significant facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
The RD28Ti's primary reliability risk is turbocharger oil feed line failure, with elevated incidence in high-mileage or poorly maintained vehicles. Nissan internal service data indicated this was a leading cause of turbo-related repairs for this model, while its simple mechanical design otherwise proved exceptionally durable. Neglecting oil and coolant maintenance makes adherence to the OEM service schedule critical.
Analysis derived from Nissan technical bulletins (1990-1996) and internal service reports. Repair procedures should follow manufacturer guidelines.
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The RD28Ti is renowned for its exceptional mechanical durability and torque when properly maintained. Its main weakness is the turbo oil feed line and potential for head gasket failure under extreme stress. With strict adherence to coolant, oil, and preventative turbo line replacement, these engines can easily exceed 400,000 km. Its non-electronic, indirect injection design has minimal components to fail.
The most critical issue is turbo oil feed line failure, leading to turbo destruction. Other common problems include injection pump timing drift (causing smoke and poor running), head gasket failure (often after overheating), and rocker arm wear (causing top-end noise). These are well-documented in Nissan service manuals.
The RD28Ti was used exclusively in the Nissan Patrol (Y60, 1990-1996) and its twin, the Nissan Safari (Y60, 1990-1996), primarily in GR and Ti trim levels. It was the top-tier diesel engine option for these heavy-duty off-road vehicles.
Significant power gains are possible. Adjusting the injection pump and adding an aftermarket intercooler can yield substantial improvements. The engine's robust internals can handle moderate increases in boost and fueling. However, pushing power too far increases stress on the head gasket and bottom end.
Modest, as expected for a large, heavy, turbo-diesel SUV. In a Nissan Patrol, expect real-world figures of approximately 12-14 L/100km (20-24 mpg UK) on the highway and 16-20 L/100km (14-18 mpg UK) off-road or in the city. Its design prioritizes torque and durability over fuel efficiency.
No. The Nissan RD28Ti is a non-interference (free-wheeling) engine. If the timing chain were to fail, the pistons will not contact the valves. This is a significant safety feature, preventing catastrophic engine damage from a broken timing component.
Nissan specifies an API CD (or ACEA B2) rated diesel engine oil. SAE 15W-40 is the recommended viscosity for all operating conditions. Using the correct specification is vital for protecting the engine's components, especially the injection pump, turbocharger, and valve train.
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