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I found the below info here:
www.tanks-encyclopedia.com
Most history books, museums and websites state that 30 of these Jagdpanzer 38(t) variant SPGs were built. The only known photographs of the 15 cm s.I.G 33/2 (Sf) auf Jagdpanzer 38(t) are of the prototype at the factory. Why are there no operational or trials photographs of this vehicle?
The official order exists requesting six to be built by converting existing Jagdpanzer 38(t) chassis and a further twenty four to be built on new chassis by December 1944. No documentation has yet been found to confirm that the order had been completed or delivered.
It is assumed that they were issued to schwere infanterie-geschutz (heavy infantry gun) companies of armored infantry regiments on the Eastern Front, but the exact ones have so far not been identified. No regimental records have been found showing receipt and deployment of these weapons. There are no Soviet photographs of captured or knocked out wrecks of this type of vehicle. None have so far been identified in photographs of Allied German military vehicle scrap yards in Western Europe.
At present it cannot be confirmed that thirty 15 cm s.I.G 33/2 (Sf) auf Jagdpanzer 38(t) Hetzer were built even though an official order was issued authorising their manufacture. It can only be confirmed that a prototype was constructed.
Spielberger’s book ‘Panzer-35t/38t’ on page 171 -172 states that an additional 30 were built between December 1944 and February 1945 and used as a support vehicle for the Panzergrenadiers. Six converted from existing Jagdpanzer 38(t) chassis and 24 newly built.
Note:- Unfinished Jagdpanzer 38(t) Hetzers would come from a holding area off the production line. It was not uncommon for production completion to be held up waiting for the main gun to be finished in a different or separate part of the factory.
Specifications
Dimensions 4.83 (without gun) x 2.59 x 1.87 m
(15’10” x 8’6″ x 6’1″)
Total weight, battle ready 15.75 metric tonnes (34,722 lbs)
Armament 15cm (5.9 in) schweres Infanterie Geschütz 33 howitzer
Armor 8 to 60 mm (0.3 – 2.36 in)
Crew 4 (driver, commander, gunner, loader)
Propulsion Praga 6-cyl gas. 160 hp@2,800 rpm (118 kW), 10 hp/t
Speed 42 km/h (26 mph)
Suspension Torsion bar
Range 177 km (110 miles)
Total production 1 (or 30)
I normally don't build anything that was never placed into production but according to the above that's a limbo question therefore I placed a request to Armorama to do a review build of this neat looking unit.
These are the only photos known to exist of the prototype and leaves the paint scheme wide open to the imagination of the builder.
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As soon as it's delivered i'll get started on it.
See you then
Tony lee