| Year | July 1944 |
| Vehicle Type | Medium Artillery Observation Vehicle |
| Origin & Designer | Germany/Nibelungenwerke |
| Numbers Produced | 90 |
| Crew | 5 |
| Main Armament | 1 x 75mm L/48 KwK 40 Gun |
| Main Armament | [@sponson_traverse] |
| Elevation | -8° to +20° |
| Turret Traverse | 360° (Manual) |
| Gun Traverse | [@gun_traverse] |
| Gun Mount | [@gun_mounts] |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Gun Sight | TZF5f/1 or /2 |
| Secondary Armament | 2 x 7.92mm MG34s (Bow & Coaxial) |
| Smoke Discharger | [@smoke_discharger] |
| Ammunition Carried | 87 x 75mm & 3.150 x 7.92mm |
| Height | 2.68m |
| Width | 2.88m |
| Length | 7.02m |
| Combat Weight | 25.000 kg |
| Ground Clearance | 0.40m |
| Fording Depth | 1.20m |
| Trench Crossing | 2.20m |
| Obstacle Clearance | 0.60m |
| Climbing Ability | 30° |
| Radio | FuG-4 & FuG-8 |
| Armour | Hull Front: 80mm Hull Sides: 30mm Hull Rear: 20mm Hull Top: 10mm Hull Bottom: 12mm Gun Mantle: 50mm Turret Front: 50mm Turret Sides: 30mm Turret Rear: 30mm Turret Top: 15mm |
| Engine | Maybach HL 120TRM & TRM112 (Petrol) |
| Transmission | 6 Forward & 1 Reverse |
| Maximum Road Range | 210 km |
| Maximum Cross Country Range | 130 km |
| Maximum Water Range | [@maximum_water_range] |
| Maximum Road Speed | 40 kph |
| Maximum Cross Country Speed | 16 kph |
| Maximum Water Speed | [@maximum_water_speed] |
| Variants | [@variants] |
| Notes | The Panzer IV was chosen to replace the Mk. III as the next Panzerbeobachtungswagen. The supplies of Mk. III were beginning to run out, so ninety Pz Mk IVs were converted for this role. They were issued to Hummel batteries for the duration of the war. |