During the Second World War, the New Zealand Army underwent a remarkable transformation. From a force equipped with just 62 vehicles in 1939, it expanded to more than 22,000 by 1944. This rapid mechanisation did not simply increase mobility; it created an entirely new logistical problem: how to sustain, repair, and recover that fleet across dispersed and often austere operational environments.
The answer lay in the development of mobile technical vehicles, purpose-built workshop lorries that brought engineering and technical capability forward to the point of need. Initially managed under the Mechanical Transport (MT) Branch, this capability was formalised post-war with the establishment of the New Zealand Electrical and Mechanical Engineers (NZEME) in 1946, which became the Royal New Zealand Electrical and Mechanical Engineers (RNZEME) in 1947.
It is important to note that this discussion primarily reflects the development of the New Zealand Army within New Zealand itself. At the same time, the 2nd New Zealand Expeditionary Force (2NZEF) was undergoing a concurrent and equally significant transformation in the Middle East and, later, in Italy, developing its own workshop systems and technical capabilities in response to operational demands in those theatres.
These vehicles, and the system behind them, formed the backbone of field maintenance and technical support.
From Introduction to Deployment: A Compressed Timeline
The technical vehicles described in this article were largely received into New Zealand service between 1941 and 1942, as part of the broader influx of modern equipment from Britain, Canada, and the United States.[1]
What followed was a remarkable achievement as within a period of roughly 12 to 24 months, New Zealand:
- Absorbed an entirely new class of specialised vehicles
- Developed training systems for their operation and maintenance
- Built the trade structure required to employ them effectively
- Deployed them on active operations with the 3rd New Zealand Division by 1943
This stands in stark contrast to modern capability introduction timelines, where the fielding of new equipment, training, and integration can take many years.[2]
In wartime conditions, necessity compressed what would now be a decade-long capability development cycle into little more than a year.
A Modular System Built for War
New Zealand’s technical vehicle fleet was built on a simple but highly effective principle, common across the British Commonwealth: the machinery type defined the capability, while the chassis provided the mobility.[3]
Workshop bodies were standardised and coded (A, B, D, F, H, I, J, K, L, M, Z), while chassis varied depending on availability. Vehicles in New Zealand service included Ford, Chevrolet, GMC, Leyland, Crossley, Karrier, Austin, and later Bedford and Commer. This modular system allowed:
- Rapid integration of Allied-supplied vehicles
- Standardisation of workshop capability
- Reuse of workshop bodies across multiple vehicle generations
Machinery Types
The Machinery Type system defined both the physical configuration and the technical role of each vehicle.
Type A – General Fitter’s Workshop
Lorry, 3-ton, 6×4
Body: Steel, house-type (14 ft), front-side access, drop sides forming workbenches
Equipment: Lathe (hollow spindle, taper attachment), drills, bench grinder, battery charging panel, generator (via trailer), hand tools
Role: First-line mechanical repair and light machining at LAD level.
Type B – Machine Workshop (Mk I / Mk II)
Lorry, 3-ton, 6×4
Body: Steel, house-type (14 ft), side access, drop sides
Equipment: Universal horizontal milling machine, powered pedestal drill, grinder, tool sets, and distribution panel
Role: Precision machining and component manufacture.
Type D – Precision Instrument Workshop
Lorry, 3-ton
Body: Steel, house-type (12 ft), rear access, ventilated
Equipment: Precision and watchmaker’s lathes, drill press, vices, fine tools
Role: Repair of instruments and precision components.
Type F – Electrical and Armature Workshop
Lorry, 3-ton, 6×4
Body: Steel, house-type (14 ft), rear access, ventilated
Equipment: DC generator, control panel, meters, specialised electrical test equipment, armature baking oven
Role: Repair and testing of electrical systems and components.
Type H – Heavy Machine Workshop
Lorry, 4-ton, 6×4
Body: 15 ft GS body, tubular frame, tarpaulin, drop-side benches
Equipment: Heavy-duty lathe, grinder, vices, hand tools
Role: Heavy machining and second-line repair.
Type I – Battery Charging Vehicle
Lorry, 3-ton
Body: 12 ft GS body, screened, tarpaulin, blackout curtain
Equipment: Battery charging generator, bus-bars, connectors, acid/water containers
Role: Battery maintenance and electrical support.
Type J – Compressed Air Workshop
Lorry, 3-ton
Body: 12 ft steel body, tubular superstructure, screened
Equipment: Three-stage compressor, petrol engine drive, cylinders, gauges, adapters
Role: Provision of compressed air for maintenance operations.
Type K (KL) – Light Welding Vehicle
Truck, 15-cwt
Body: Tubular frame with tarpaulin
Equipment: 300-amp welder, engine drive, grinder, welding table, screen, accessories
Role: Forward welding and light fabrication.
Type L – Carpentry Workshop
Lorry, 3-ton, 6×4
Body: Steel (14 ft), drop sides, superstructure, two penthouses
Equipment: Woodworking machine, saw-setter, benches, vices
Role: Carpentry and fabrication of wooden components.
Type M – General Workshop System
4-ton Variant
Body: Steel, house-type (15 ft), rear access
Equipment: Bench lathe, valve grinder/refacer, paint sprayer, brake reliner, battery charger, generator
Mk II Variant (3-ton)
Body: GS-type (12 ft), drop sides, penthouses
Equipment: 7.5 kW generator, lathe, drill, grinder, valve tools, spark plug cleaner
Role: Versatile repair and reconditioning across multiple echelons.
Type Z – Wireless and Electronics Workshop
Type Z (14 ft)
Body: Steel, house-type, interference-screened
Equipment: Generator, selenium charger, transformer, wavemeter, oscillograph, signal generators
Type Z Mk II (12 ft)
Equipment: Onan generator, oscilloscope, valve test sets, control panels, diagnostic tools
Type Z Light
Body: Heavy utility vehicle with screened windows
Equipment: Generator, transformer, test panels, megger, electrical bridges
Role (All Type Z): Testing, calibration, and repair of wireless and electronic equipment.
Evidence from the Field
Photographic evidence from the 3rd New Zealand Division in the Pacific confirms how these vehicles were used in practice.
- A vehicle clearly marked “Machinery Lorry Type A” shows a fully deployed fitter’s workshop, complete with pedestal drill, bench tools, and fold-out work surfaces.
- The adjacent vehicle, equipped with machinery, is likely a Type M or Type M, indicating layered repair capability.

Other images show workshop vehicles expanded with tented extensions, creating enclosed working environments.

In more established locations, workshop vehicles were positioned under locally constructed shelters, forming semi-permanent repair facilities.

These images demonstrate that the system was not static. It was designed to scale from mobile repair to fully developed workshop installations.
Confirmed New Zealand Fleet (1950)
A 1950 Return of Military Vehicles (Form MT 18A) confirms types A, F, H, I, K, M & Z in New Zealand service across a wide range of chassis, including Austin, GMC, Leyland (including Leyland NZ), Crossley, Karrier, Ford, and Chevrolet.[4]

This demonstrates that New Zealand operated a fully developed, multi-echelon technical support system, aligned with Commonwealth practice and sustained into the post-war period.
Post-War Evolution
With the establishment of RNZEME in 1947, this system became institutionalised.
- 1950s: Introduction of Commer G4 chassis fitted with specialist workshop bodies
- 1960s–1970s: Transfer of workshop bodies onto Bedford RL trucks, extending service life
- 1980s: Replacement by 13-foot containerised workshop shelters, marking the shift to modular, platform-independent systems
Conclusion
The technical vehicles of the New Zealand Army during the Second World War represent far more than a collection of specialised lorries. They formed part of a deliberately structured and rapidly developed system of battlefield sustainment, built around the Machinery Type concept and adapted to the realities of global war.
Within New Zealand, this system was introduced between 1941 and 1942, absorbed and operationalised in an exceptionally short period, and deployed with the 3rd New Zealand Division by 1943. At the same time, the 2nd New Zealand Expeditionary Force was undergoing a parallel transformation in the Middle East and Italy, developing its own workshop capabilities under different operational pressures. Together, these efforts reflect a wider national adaptation to mechanised warfare, achieved at a pace that remains striking by modern standards.
What emerged was not simply a fleet of workshop vehicles, but a layered, multi-trade capability integrating mechanical, electrical, fabrication, and electronic support. The system was inherently modular, separating function from platform, and scalable, able to transition from forward repair elements to fully developed semi-permanent workshop installations as operations evolved.
Its longevity reinforces its effectiveness. From wartime deployment through post-war refinement under RNZEME, to re-platforming on Commer and Bedford RL chassis, and ultimately to containerised workshop systems in the 1980s, the underlying principles endured even as the technology changed.
As demonstrated throughout this article, and supported by photographic and documentary evidence, these vehicles ensured that New Zealand’s mechanised force could not only move but also endure, adapt, and remain operational under demanding conditions.
At the same time, this study represents only an initial snapshot of New Zealand’s technical vehicle capability during the period. Much remains to be explored, particularly in linking specific Machinery Types to trades, units, and operational employment, and in tracing the full evolution of these systems across both theatres of war. Further research will continue to refine and expand this picture, contributing to a more complete understanding of how New Zealand sustained its forces in the field.
Notes:
[1] “QMG (Quartermaster-Generals) Branch – September 1939 to March 1944,” Archives New Zealand Item No R25541150 (1944).
[2] UK National Audit Office, The Equipment Plan 2023–2033 (London, 2023).
[3] P.J. Montague, Canada. Canadian Military Headquarters, and Canadian Military Historical Society, Vehicle Data Book: Canadian Army Overseas: Armoured Tracked Vehicles, Armoured Wheeled Vehicles, Tractors, Transporters, “B” Vehicles, Trailers (Branch of QMG, Canadian Military Headquarters, 1944).
[4] HQ CMD 47/2/08 Register of Arms – Instruments & Vehicles dated 5 July 1950 “Conferences and Committees: Committee Stores Accounting Establishment of Minutes Meetings,” Archives New Zealand Item No R22497304 (1947-1953). HQ


