The 4.2-liter Nissan TB42 engine was produced at a Japanese company from 1987 to 1997 and was installed only under the hood of the legendary Patrol SUV and only in the Y60 body. The engine was released with a two-barrel carburettor and a point type distributor. In 1992 the TB42E emerged with electronic fuel injection and electronic ignition. At this time the TB42 was re-labeled as TB42S.
The TB family also includes internal combustion engines: TB45 and TB48DE.
The engine was installed on:
- Nissan Patrol 4 (Y60) in 1987 – 1998.
Specifications
| Production years | 1987-1997 |
| Displacement, cc | 4169 |
| Fuel system | carburetor or EFI |
| Power output, hp | 170 – 175 |
| Torque output, Nm | 320 – 325 |
| Cylinder block | cast iron R6 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 96 |
| Piston stroke, mm | 96 |
| Compression ratio | 8.3 – 8.5 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 15W-40 |
| Engine oil capacity, liter | 8.2 |
| Fuel type | petrol |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Nissan Patrol 1995) — city — highway — combined |
19.7 11.8 16.4 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 270 |
Disadvantages of the TB42 engine
- The motor has excellent reliability and a huge resource, but consumes a lot of fuel;
- Most often there are problems with ignition, but they are solved simply and cheaply;
- The cause of knocks under the hood often turns out to be unadjusted valves;
- After a run of 250 thousand km, the timing chain may stretch and require replacement;
- The engine does not like overheating, compression may disappear or an oil burn may begin.





