Panzerjäger 38(t) für 7.62cm PaK36(r), SdKfz 139, Marder III
Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf H, SdKfz 138, Marder III
Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf M, SdKfz 138, Marder III:

Germany's Marder III

On December 22, 1941, the Weapons Department was ordered to produce a self-propelled anti-tank gun to help get an effective antitank gun to the units on the Eastern front.5

It used the Czechoslovakian 38(t) chassis.5 The gun and carriage (without the wheels) was mounted on top of the superstructure using a special mounting plate.5 It was shaped like a bridge and was bolted to the roof in the front and rear.5 The gun shield moved with the gun, but the sides were fixed to help protect the crew. The driver and radio operator sat in the front of the hull. Behind them were 3 ammunition boxes that held 24 rounds. There were 2 ammunition boxes mounted on the side walls of the superstructure, and contained 12 rounds.

Panzerjäger 38(t) für 7.62cm PaK36(r), SdKfz 139, Marder III,

Panzerselbstfahrlafette II fuer 7.62cm Pak 36(r), SdKfz 138, Marder III,
Panzerjaeger38(t) fuer 7.62cm Pak 36(r):

Germany's Panzerselbstfahrlafette II fuer 7.62cm Pak 36(r), SdKfz 138, Marder III

Used captured Russian Model 36 76.2 mm L/54.8 gun. Originally designated the Panzerselbstfahrlafette 2 für 7.62 cm PaK 36, but on February 27, 1944, Hitler ordered it to be called the Marder III.5 Production started on March 24, 1942 at the Böhmisch-Mährische Maschinenfabrik AG (BMM) factory in Prague. Initial output was 17 vehicles per month, with a target or 30 per month.5

The AP round weighed 16.8 lbs and the muzzle velocity was 2,330'/sec.6 The HE round had a range of 8,300 yards.6

As of May 15, 1942, 120 had been produced. The first of these vehicles reach the Eastern Front in April 1942.5 Another 100 were ordered and were produced from June to September 1942

117 went to North Africa to serve in the 33rd & 39th Panzerjägerabteilung of the 15th Panzer Division. Saw action in Russia as rest produced were sent there. Fitted with muzzle brakes and muzzle velocity was 2,430 ft/sec for AP and 3,249 ft/sec for PzGr 40 rounds. Could penetrate 83 mm @ 30° at 500 yards with AP and 118 with PzGr 40. As soon as 75 mm PaK became available, then this model was phased out of production. Used the FuG Spr d radio.2

Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf H, SdKfz 138, Marder III,
7.5cm Pak 40/3 (L/46) auf PzJaeg 38(t) Ausf H,
Panzerjaeger 38(t) Marder III:

Germany's 7.5cm Pak 40/3 (L/46) auf PzJaeg 38(t) Ausf H

Installed a larger shield directly on the chassis.5 Had a traveling mount for the gun.5

175 of these were conversions of the PzKpfw 38(t), and 243 were built from the ground up as a Marder III.5

Could penetrate 76 mm at 2,300 meters. The AP round weighed 15 lbs and had a muzzle velocity of 2,461'/sec.6 The HE round could be fire 8,421 yards.6

Deployed in Russia5, Tunisia5, and Italy5 with Panzerjäger units of the Luftwaffe, SS, and Wehrmacht. Slovakia received 18. Had the engine placed at the rear of the vehicle. Used the FuG5 radio.2

Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf M, SdKfz 138, Marder III,
Panzerjaeger 38(t) Ausf M SdKfz 138,
7.5cm Pak 40/3 (L/46) Marder III auf GW 38:

Germany's Panzerjaeger 38(t) Ausf M SdKfz 138

Had fighting compartment placed back further. Had only single return roller.

The AP round weighed 15 lbs and had a muzzle velocity of 2,461'/sec.6 The HE shell had a range of 8,421 yards.6

975 were produced by BMM of Prague.5 Used the FuG Spr d radio.2

Munitionspanzer 38(t) (Sf) Ausf K (SdKfz 138):

102 produced.2 Carried 40 sIG patr rounds.2

  Panzerjäger 38(t) für 7.62cm PaK36(r), SdKfz 139, Marder III Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf H, SdKfz 138, Marder III Panzerjäger 38(t) für 7.5cm PaK40/3, Ausf M, SdKfz 138, Marder III
Crew 41,2,6 42,6 42,3,5,6
Physical Characteristics      
Weight 23,520 lb
10.33 tons1, 10.67 tons2, 10.7 tons5, 11.6 tons6
10,500 kg1
23,809 lb
10.8 tons2,4, 11.6 tons6
23,149 lb, 24,251 lb3
11,000 kg3
10.5 tons2,4,5, 11.6 tons6
Length w/gun 19' 6", 19' 2", 16' 3"1
4.95 m1, 5.85 m2
18' 11"
5.77 m2,4
15' 3"5, 15' 3.1"3, 16' 2", 16.4'6
4.65 m3,5, 4.95 m2,4
Length w/o gun 15'6
4.65 m
14.9'6  
Height 8.1'6, 8' 2"5, 8' 1.6"1, 9' 1"
2.48 m1, 2.5 m2,5
8'6, 8' 2"
2.51 m2,4
7' 10"5, 8' 1", 8' 1.6"3, 8.25'6
2.48 m2,3,4,5
Width 7'6, 7' 2.5", 7' 1", 7' 0.6"1
2.16 m2, 2.15 m1
6.9'6, 7' 1"
2.16 m2,4
7.1'6, 7' 1"5, 7' 8.5"3
2.15 m2,4, 2.16 m5, 2.35 m3
Width over tracks      
Ground clearance 15.8"6 16"6 15.8"6
40 cm
Ground contact length 102.75"6 102.75"6 102.75"6
2.92 m
Ground pressure 9.8 psi6 9.8 psi6 9.8 psi6
0.61 kg/cm2
Turret ring diameter      
Armament      
Main 75 mm1
76.2 mm PaK 36 (r) L/51.52
7.62 cm M365
76.2 mm Pak 36(r) L/51.16
75 mm PaK 40/33
75 mm PaK 40/3 L/462
75 mm Pak 40 L/466
75 mm PaK 40/33
75 mm PaK 40/3 L/462,5
75 mm Pak 40, L/466
Secondary      
MG 7.92 mm MG1
7.92 MG37(t)2,5
7.92 mm MG37 or MG34
7.9 mm MG37(t)6
7.92 mm MG37(t)2  
Side arms      
Quantity      
Main 30: Pzgr 39Rot, Pzgr 40, Sprgr 392
306, 365
40:APC, 38: HEAT
382
272, 385, 416
Secondary      
MG 1,200, 1,5006 6002  
Side arms      
Armor Thickness (mm) 201
Front: 2"6
Side: 0.79"6
Front: 2"6, 504
Side: 0.63"6, 154
Superstructure: 0.63"6
Front: 0.88"6, 154
Side: 0.56"6, 154
Superstructure: 0.38"6
Hull Front, Upper 50@17°2 50@15°2 10@30°2, 25@78°5
Hull Front, Lower 50@16°2 50@15°2 20@15°2, 20@80°5
Hull Sides, Upper 16@11-14°2 15@0°2 10@15°2, 15@90°5
Hull Sides, Lower 15@0°2 15@0°2 15@0°2
Hull Rear 10@65°2 & 15@16°2 open2 & 15@16°2 10@0°2 & 10@41°2, 8@90°5
Hull Top 10@90°2 10@65°2 & 10@90°2 8@90°2
Hull Bottom 10+8@90°2 8@90°2 10@90°2
Turret Front Gun shield: 11@31°2 Gun shield: 15@25°2 Gun shield: 6@28°2, 25@74°5
Turret Sides Gun shield: 11@12°2 Gun shield: 15@25°2 Gun shield: 10@16°2, 10@78°5
Turret Rear Gun shield: open2 Gun shield: open2 Gun shield: 10@17°2, open5
Turret Top Gun shield: open2 Gun shield: 8@90°2 Gun shield: open2,5
Engine (Make / Model) Praga EPA1
Praga EPA Model III, AC
Praga EPA & EPA/22
Praga6
Praga EPA/22
Praga AC6
Praga AC2,3,6
Praga EPA TZj5
Bore / stroke      
Cooling Water6 Water6 Water6
Cylinders I-66 I-66 65, I-66
Net HP 125 (early model)6
140 (late model)6
1504
150@2,600 rpm6
1255, 1503,4
150@2,600 rpm6
Power to weight ratio      
Compression ratio 1:6.26    
Transmission (Type) Preselector, Wilson
5 forward, 1 reverse2,6
Praga-Wilson planetary gear type6
5 forward, 1 reverse2,6
EPA, CV/TNHP, preselector6
EPA, CV/TNHP, preselector6
5 forward, 1 reverse.2,6
Steering Clutch brake6 Clutch brake, two speeds6 Clutch brake, two speeds6
Steering ratio      
Starter Hand and electrical6 Hand and electric6 Hand and electric6
Electrical system 12-volt6 12-volt6 12-volt6
Ignition Magneto6 Magneto6 Magneto6
Fuel (Type) Gasoline6 Gasoline6 Gasoline3,5,6
Octane      
Quantity 58 gallons6
218 liters
58 gallon6 48 gallons5, 58 gallons6
218 liters5
Road consumption 3 mpg6
100 km/118 liters
2.1 mpg6 2.1 mpg6
Cross country consumption 2 mpg6 1.5 mpg6 1.5 mpg6
Performance      
Traverse 50°6, 130°
21° left2, 21° right2, hand2
30° left, 30° right2,6, hand2 21° left, 21° right, hand2
30° left, 30° right5,6
Max speed 26 mph1,6
42 kph1,2
21.7 mph, 29 mph6
35 kph2, 47 kph4
26 mph3,5, 29 mph6
42 kph2,3,5, 47 kph4
Cross country speed 11 mph6 11 - 12 mph6 11 -12 mph6, 15 mph5
24 kph5
Road radius 87 miles, 115 miles, 118 miles1, 155 miles6
185 km2, 190 km1
124 miles6, 149 miles
240 km2
87 miles3, 115 miles5, 118 miles, 124 miles6
140 km3, 185 km5, 190 km2
Cross country radius 100 miles6 87 miles6 87 miles5,6
140 km5
Turning radius      
Elevation limits -8° to +13.5°2
-6° to +16°6
-5° to +22°2
-10° to +20°6
-5 to +13°, -10° to +20°6
Fording depth 31.5"6, 3' 35"6 35"3,6
0.9 m3
Trench crossing 4'6, 4' 3" 4.3'6 4.3'6, 4' 3"3
1.3 m3, 2.08 m
Vertical obstacle 31.5"6, 2' 9" 33"6 33"3,6
0.84 m3
Climbing ability 37° (75%) slope6 30° (57%) slope6 30° (57%) slope6
Suspension (Type) Bogie
Four road wheels on two bogies with 1/2 elliptic springs6
Four road wheels on two bogies with 1/2 elliptic springs6 Four road wheels on two bogies with 1/2 elliptic springs6
Wheels each side 46    
Return rollers each side 2    
Tracks (Type) Dry pin6 Dry pin6 Dry pin6
Length      
Width 11.5"6 12.25" (shoe 11.5")6 12.25" (shoe 11.5")6
29.3 cm
Diameter      
Number of Links 936 936  
Pitch 4.1"6 4.25"6 4.25"6
Tire tread      
Track centers/tread 5.9'6 5.9'6 1.77 m
Production May 1943-1944:
799
1942 (76.2): 344 (chassis nos. 1351-1768)
4/1942-10/1942: 3442
Converted in 1943: 192
Chassis #s: 13512, 15102, 1511-17682
BMM2
Chassis: Skoda Works, Pilsen6
11/1942-4/1943: 415 (chassis nos. 1601-2000)
11/1942-4/1943: 2422
Converted in 1943: 1752
Chassis #s: 1601-21002
BMM2
Converted: 1755
Constructed: 2425
C.K.D.6
-5/1944: 7993
4/1943-5/1944: 9752
Chassis #s: 2101-?2
BMM2
9755
C.K.D.6

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  4. Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
  5. German Tanks of World War II, Dr. S. Hart & Dr. R. Hart, 1998
  6. Tank Data, Aberdeen Proving Grounds Series, 1968?
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