Fluid Capacities LEVEL INCLINED U.S. U.S. GEARBOX QUARTS LITRES QUARTS LITRES 71C & CR 1:1 1.8 1.71 1.3 1.2 1.50:1 2.5 2.36 2.7 2.56 1.91:1 2.5 2.36 2.7 2.56 2.10:1 2.5 2.36 2.7 2.56 2.57:1 2.5 2.36 2.7 2.56 2.91:1 2.5 2.36 2.7 2.56 72C & CR 1:1 2.1 2.00 1.7 1.55 1.50:1, 1.91:1 2.10:1 2.7 2.56 2.8 2.55 2.57:1, 2.91:1 2.7 2.56 2.8 2.55 73C 1:1 2.6 2.38 1.5 1.42 1.51:1, 2.1:1 2.9:1 2.0 1.89 2.2 2.04 BORG-WARNER MODEL DESIGNATIONS Recently  Borg-Warner  changed  the  means  for  identifying  their  various  transmissions.    The  following  cross  reference  is being included for identification convenience. PREVIOUS PREVIOUS NEW DESIGN MODEL MODEL MODEL RATIO DESIGNATION DESIGNATION DESIGNATION 1:1 AS1-71C 10-04-000-036 10-17-000-001 1:1 AS1-71CR 10-04-000-037 10-17-000-002 1:1 AS1-71CB 10-04-000-038 10-17-000-003 1:1 AS1-71CBR 10-04-000-039 10-17-000-004 1.52:1 AS2-71C 10-04-000-042 10-17-000-005 1.52:1 AS2-71CR 10-04-000-043 10-17-000-006 1.91:1 AS7-71C 10-04-000-050 10-17-000-007 1.91:1 AS7-71CR 10-04-000-051 10-17-000-008 2.10:1 AS3-71C 10-04-000-044 10-17-000-009 2.10:1 AS3-71CR 10-04-000-045 10-17-000-010 2.57:1 AS14-71C 10-04-000-046 10-17-000-011 2.57:1 AS14-71CR 10-04-000-047 10-17-000-012 2.91:1 AS 15-71C 10-04-000-048 10-17-000-013 2.91:1 AS15-71CR 10-04-000-049 10-17-000-014 1:1 AS11-72C 10-05-000-034 10-18-000-001 1:1 AS11-72CR 10-05-000-035 10-18-000-002 1.52:1 AS12-72C 10-05-000-038 10-18-000-003 1.52:1 AS12-72CR 10-05-000-039 10-18-000-004 1.91:1 AS17-72C 10-05-000-046 10-18-000-005 1.91:1 AS17-72CR 10-05-000-047 10-18-000-006 2.10:1 AS13-72C 10-05-000-040 10-18-000-007 2.10:1 AS13-72CR 10-05-000-041 10-18-000-008 2.57:1 AS14-72C 10-05-000-042 10-18-000-009 2.57:1 AS14-72CR 10-05-000-043 10-18-000-010 2.91:1 AS15-72C 10-05-000-044 10-18-000-011 2.91:1 AS15-72CR 10-05-000-045 10-18-000-012 TWIN DISC MG-502 & MG-506 GEARBOXES Oils  used  in  this  gearbox  type  must  conform  with  API  Service  Classification  "SD".    Any  oil  that  conforms  with  this specification is suitable.  The correct S.A.E.  designation to be used will depend upon the temperature of the cooling water at the inlet to the gearbox oil cooler. S.A.E.  DESIGNATION Cooling Water Temp. Cooling Water Temp. Below 85ºF (29°C) Above 85ºF (29°C) 20w/20 30 -60-