The Loggim program (TTD Program)
Main Battle tank
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The Loggim Program or TTD Program was a program started from the early 1980s and was started because the SADF recognized from their combat experience in South West Africa (Now Namibia) and from their experience in Angola during the SADF Border war that they need a New Main Battle Tank (MBT) to Counter the rising threat of soviet MBT's and that they need to replace their old Olifant MBT's.[1]
| Tank Technology Demonstrator | |
|---|---|
TTD on parade with rubber tracks. With permission from SA Army Armour Formation | |
| Type | Main Battle tank |
| Place of origin | South Africa |
| Service history | |
| In service | Never entered service, tested from 1992-1994 |
| Used by | South Africa |
| Production history | |
| Designer | ARMSCOR, Olifant Manufacturing Company Lyttleton Engineering Works |
| Designed | 1992 |
| Manufacturer | ARMSCOR, Olifant Manufacturing Company Lyttleton Engineering Works |
| Developed from | Olifant (tank) |
| Variants | Prototype Variant, Proposed Production Variant, Proposed Upgradable Variant |
| Specifications | |
| Mass | Battle ready: 58.3 Tons |
| Length | 7.78m (25.5ft) |
| Width | 3.62m (11.9ft) |
| Height | 2.99m (9.8ft) |
| Crew | 4 |
| Armor | Effective Thickness of 750mm with compatibility for ERA |
Main armament | 105mm GT3 QF Prototype Variant, 120mm GT6 QF Proposed Production Variant, 140mm QF Proposed Upgradable Variant |
Secondary armament | 7.62mm Machine Gun |
| Engine | Twin-turbo intercooled V-8 Diesel engine 1234hp (920kw) @ 1200rpm (21.16 hp/t) |
| Power/weight | 21.16 hp/t |
| Payload capacity | 54 rounds of 105mm Ammunition |
| Transmission | 4 forward and 2 reverse gears |
| Suspension | Torsion bar |
| Fuel capacity | 1600L (422gals) of diesel fuel |
Operational range | On Road 400km (249mi) Off Road 300km (186mi) |
| Maximum speed | On Road 71kph (44mph) Off Road 35kph (22mph) |
History
Context: The Loggim Program or (TTD Program) was a program started from the early 1980s and was started because the SADF recognized from their combat experience in South West Africa (Now Namibia) and from their experience in Angola during the SADF border war that they need a New Main Battle Tank (MBT) to counter the rising threat of soviet MBT's and that they need to replace their old Olifant MBT's.
Code Name: The project was called "Loggim" and involved Reumech Olifant Manufacturing Company (OMC) building the hull, while Lyttleton Engineering Works (LEW) designed the turret.[2][3]
Timeline: The project was developed from roughly 1983, with the prototype (TTD) completed around 1992.
Cancellation: The program was cut in the early 1990s following the end of the South African Border War and changes in the political climate.[4]
Variants
The TTD had 3 Variants 2 of which were just proposed.[5]
Prototype Variant: The prototype variant used a 105mm GT3 QF Cannon and didn't have a machine gun or ERA, it had 2nd generation Thermal Vision Devices (TVD) and Night Vision Devices (NVD).
Production Variant: The Production Variant was planned to use the 120mm GT6 QF main cannon, it had ERA and a 7.62mm Machine Gun.
Upgradable Variant: The Upgradable Variant was planned to use a 140mm QF main cannon, it was probably going to use ERA and a 7.62mm Machine Gun Aswell but it's not confirmed.
