Steyr S21

Manual transmission fluid capacity & service interval

Steyr S21 manual transmission fluid has a capacity range of 6,5 to 15 liters. Service intervals include checking at 20000 km and changing at 40000 km or 12 months. The data covers 36 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
14S21 (1988-1996)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
14S21 (1988-1996)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
14S21 (1988-1996)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
14S21 (1988-1996)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
14S21 (1988-1996)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
15S21 (1988-1996)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
15S21 (1988-1996)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
15S21 (1988-1996)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
15S21 (1988-1996)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
15S21 (1988-1996)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
15S21 4x4 (1988-1996)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
15S21 4x4 (1988-1996)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
15S21 4x4 (1988-1996)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
15S21 4x4 (1988-1996)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
15S21 4x4 (1988-1996)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
16S21 (1988-1993)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
16S21 (1988-1993)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
16S21 (1988-1993)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
16S21 (1988-1993)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
16S21 (1988-1993)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
17S21 (1988-1993)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
17S21 (1988-1993)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
17S21 (1988-1993)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
17S21 (1988-1993)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
17S21 (1988-1993)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
17S21 (UK only !) (1988-1993)
  • Use: Normal
  • Capacity 6,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: Eaton 4106 6/1
12S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
12S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
12S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
12S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
12S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1
13S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 16S-109 16/1
13S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 8 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF 9S-109 9/1
13S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 13 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 + GV 80, AK/S6-80 6/1
13S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 11 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-65 6/1
13S21 4x4 (1987-1988)
  • Use: Normal
  • Capacity 15 liter
  • Check 20000 km
  • Change 40000 km/ 12 months
  • Code: ZF AK/S6-80 + GV 80 6/1

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