For quick reference and historical record here are current mech pitch and twist info plus some related notes.
Mech .. Standing (-/+) .. Crouching (-/+) .. Twist (360 or L/R) .. Notes
Osiris ........ -24 / 35 ..... -24 / 45 .......... 360
Anubis ....... -24 / 35 ..... -24 / 35 ......... 110/110 ........... Crouch + twist 55 left makes arm go inside leg.
Owens ...... -19 / 30 ..... -19 / 40 .......... 90/90
Raven ........ -34 / 45 ..... -34 / 55 .......... 360
Soli ........... -29 / 30 ..... -29 / 30 ......... 95/95 ... Crouch + twist 95 left makes arm go inside leg.
Uller .......... -35 / 40 ..... -35 / 49 ..... 140/140 .. ALERT: crouch + twist (starting 48 left and 22 right) = MG shoots leg!
Cougar ..... -35 / 40 ..... -35 / 49 ..... 140/140 ... Crouch + twist 55 left makes arm go inside leg.
Puma ....... -35 / 55 ..... -35 / 64 ......... 84/85 ... Crouch + twist 55 left makes arm go inside leg. Twist-o-meter bug?
Chimera ......... -34 / 45 ..... -34 / 55 ....... 120/120 .. Crouch + twist 55 left makes arm go inside leg
Hollander ........ -34 / 55 ..... -34 / 64 ....... 360
Uziel ............... -34 / 45 ..... -34 / 55 ....... 130/130
Bushwacker ... -34 / 40 ..... -34 / 50 ........ 100/100 .. Crouch + twist 55 left makes arm go inside leg. Cockpit roof vanishes when looking up.
Shadowcat ...... -34 / 50 ..... -34 / 60 ..... 130/130
BlackLanner .... -29 / 50 ..... -29 / 60 ..... 360
Ryoken ............ -34 / 45 ..... -35 / 54 ..... 100/100 ....... Cockpit roof vanishes when looking up.
Rifleman ........ -33 / 83 ..... -33 / 83 ........ 360
Catapult ......... -35 / 40 ..... -35 / 50 ........ 100/100
Argus ............. -34 / 45 ..... -34 / 55 ........ 100/100
Avatar ............ -34 / 45 ..... -34 / 55 ........ 360 ......... ALERT: crouch + twist (133 ... 153 degrees left) = MG shoots leg!
Warhammer ... -33 / 41 ..... -33 / 51 ........ 130/130 ... Crouch + twist 90 right makes barrel arm go inside leg
Thanatos ........ -34 / 40 ..... -35 / 49 ....... 360
Vulture .............. -34 / 40 ..... -34 / 50 ..... 360 .......... Crouch + twist 55 left makes arm go inside leg
CauldronBorn .. -29 / 35 ..... -29 / 44 ...... 100/100 ... Crouch + twist 55 left makes arm go inside leg
Loki .................. -34 / 40 ..... -34 / 49 ..... 110/110 .... Crouch + twist 55 left makes arm go inside leg
Thor ................. -24 / 40 ..... -24 / 50 ..... 110/110 .... Crouch + twist 55 left makes arm go inside leg
Novacat ........... -34 / 45 ..... -35 / 54 ....... 110/110
Madcat ............ -34 / 40 ..... -34 / 50 ...... 110/110 .... ALERT: crouch + twist (starting 108 degrees left) = MG shoots leg!
Awesome ...... -34 / 45 ..... -34 / 55 .......... 90/90 .... Crouch + twist 55 left makes arm go inside leg.
Mauler ........... -34 / 50 ..... -34 / 60 .......... 90/90 .... Crouch + twist 55 left makes arm go inside leg.
Atlas ............. -34 / 45 ..... -34 / 55 .......... 90/90 .... Crouch + twist 55 left makes arm go inside leg.
Fafnir ............ -34 / 45 ..... -34 / 55 ........... 90/90
Massakari....... -34 / 45 ..... -34 / 55 ......... 90/90 ...... Crouch + twist 75 left makes arm go inside leg.
Mk2 ............... -25 / 40 ..... -24 / 50 ......... 84/85 ...... Twist-o-meter bug?
Blood Asp ...... -34 / 50 ..... -34 / 60 ......... 360 ......... Crouch + twist 55 left makes arm go inside leg.
Daishi ............ -24 / 35 ..... -24 / 45 ......... 90/90
Many mech models have problems when looking too much up or down as well as twisting while crouching but those are just a minor thing we have to live with.