title: 4T
text: # 4T
  
  4T or 4-T may refer to:
  
  ## Biology and chemistry
  
  * 4-T-TRIS; see Thiotrisescaline
  * 4-t-butylpyrocatechol; see 4-tert-Butylcatechol
  * 4T-MMDA-2; see MMDA
  
  ## Locomotives
  
  * 4T class of locomotive
  * LMS Stanier 2-6-4T (disambiguation)
  * LMS 3-Cylindered Stanier 2-6-4T
  * LMS Fairburn 2-6-4T
  * LMS Fowler 2-6-4T
  * Bristol and Exeter Railway 4-2-4T locomotives
  * LMS/BR Class 4 2-6-4T locomotives
  * BR Standard Class 4 2-6-4T
  * LMS 2-Cylindered Stanier 2-6-4T
  * L&YR Hughes 4-6-4T
  * LMS Stanier Class 2 0-4-4T
  * Highland Railway Drummond 0-6-4T Class
  * Highland Railway Drummond 0-4-4T Class
  * 0-8-4T
  * 2-6-4T; see 2-6-4
  * 0-4-4T; see 0-4-4
  * 4-6-4T; see 4-6-4
  * 0-6-4T; see 0-6-4
  * 2-8-4T; see 2-8-4
  * 2-2-4T; see 2-2-4
  * 2-4-4T; see 2-4-4
  
  ## Other
  
  * 4T-GTE, a model of Toyota T engine
  * 4T, a model of LWD Szpak, a Polish utility aircraft
  * Piaggio Zip 4T, an urban scooter
  * 4T – Vietnam Youth Education Support Center
  * 4T, the production code for the 1977 Doctor Who serial The Invisible Enemy
  * Fourth Transformation, 2018 campaign promise by Mexico's president to do away with abuses that plagued that nation.
  