Is the SWB 352 the more appropriate choice as prime mover, or does it really matter?

b. The personnel of the howitzer section consists of the following:
(1) A chief of section (CS) whose duties and responsibilities include the following:
(a) Training and efficiency of crewmembers.
(b) Performance of assigned section in training; firing, testing, and adjusting fire control equipment; and
inspection and maintenance of all section equipment, including the prime mover.
(c) Observance of safety precautions.
(d) Preparation of field fortifications for protection of equipment, ammunition, and personnel.
(e) Camouflage discipline; local security; and radiological, biological, and chemical security discipline.
(f) Maintenance of forms in the equipment record holder.
(g) Policing the section area.
(h) Storage, handling, and preparation of ammunitions for firing.
(2) A gunner (G) who assists the chief of section in carrying out the duties specified in subparagraph (1) above.
The gunner’s specific duties are described in this manual.
(3) An ammunition team chief (ATC) who leads and directs the handling of ammunition and assists the chief of
section (CS) with the supervision of the howitzer section. The ammunition team chief performs duties listed in this manual
and other duties as directed.
(4) An assistant gunner (AG) who assists the gunner and, in an emergency, acts as the gunner. The assistant
gunner’s specific duties are described in this manual.
(5) Two cannoneers, numbered 1 and 2, who perform duties as listed in this manual and any other duties
directed by the chief of section.
(6) A driver (D) whose primary duty is to drive the prime mover of the section. Maintenance and other duties are
described in this manual or directed by the chief of section.

What kind of personal weapins would the 105mm crew use? Do you think the would have Garands or carbines? What about sidearms?

I'm working on an Italieri 155 mm and from your pics I can see that the 105 mm is allot better