BW500SD                             BW600SD                              BW900SD              
Welder output at 100% DC                             500                                     600                                              900
Open circuit voltage                                     60-70                                  60-70                                          60-70
Welder output setting                     INFINITE 40-500A DC             INFINITE 40-500A DC                   INFINITE 40-500A DC
Auxiliary power (380V AC optional)   
13KVA 380V AC/8KVA 220AC            13KVA 380V AC/8KVA 220AC              20KVA 380V AC/13KVA 220AC
Welding process                                  STICK/TIG/MIG                     STICK/TIG/MIG                              STICK/TIG/MIG
Engine power (HP)                                        30                                         45                                               70
R.P.M                                                       1500                                      1500                                            1500 
Engine type                                     WATER/AIR COOLED                 WATER/AIR COOLED                  WATER/AIR COOLED
Starting                                              ELECTRIC 12V                         ELECTRIC 12V                             ELECTRIC 12V  
Fuel tank capacity                                   DIESEL/50L                             DIESEL/50L                                 DIESEL/50L
Wheels kit                                             SKIDBASE                               SKIDBASE                                      SKIDBASE
Dimensions of frame (LxWxH)             1700x920x900                          1800x930x920                            1850x950x980
Dry weight dep. on accessories                    550kg                                    750kg                                          780kg
Noise level LWA / DBA at 7m                       99/74                                     99/74                                           99/74
Welding Operator panels with individual    1 OFF 500 AMP                       2 OFF 300 AMP                            1 OFF 450 AMP
current control standard
Optional Welding Operator Power Source  3xWelding sources                4x Welding sources                   3xWelding sources
                                                               170 AMP each                    170 AMP each                              300 AMP each
                                                                                                                                                  6x Welding sources
                                                                                                                                                      170 AMP each