Perkins 4.182

The Perkins 4.182 was a diesel engine built by Mazda (Toyo Kogyo) under licence from Perkins Engines, and was fitted to numerous Mazda light vehicles; primarily vans, utilities (pickups) and light trucks. It was known as the HA series Mazda Diesel, and was termed the 3000 model in vehicles (3.0L). It was also licensed to Westerbeke designated as W70.
Versions.
The "Early" HA engine uses 31.75mm gudgeon (wrist) pins, has indirect fuel injection, and uses pressed sheet metal ("tin") rocker (valve) covers.
The "Late" HA engine uses 30mm diameter gudgeon (wrist) pins, uses direct fuel injection, and has aluminium alloy rocker (valve) covers.