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机车轴式

维基百科,自由的百科全书
以華氏式別分類的蒸氣機車
1900年代的华氏式别手册。[1]

铁路技术上,机车轴式,或称机车轮式,是指用英文字母阿拉伯数字的组合来表达铁路机车走行部车轴排列结构和特点的系统化分类方式。世界上各地使用的机车轴式表达系统主要有三种。

  • 华氏轮式:这是最早出现的机车轴式分类系统之一,广泛应用于蒸汽机车的识别,主要为美国、加拿大、英国、爱尔兰等地采用。
  • AAR轴式:是一种由美国铁路协会所制定的轴式分类法,主要应用于美国和加拿大的柴油机车和电力机车。
  • UIC分类法:是一种由國際鐵路聯盟制定的轴式分类法,广泛应用于欧洲和亚洲国家。

不同机车轴式之對比

[编辑]
UIC軸式
VDEV/VMEV/UIC-System
華氏式別
(Whyte-Notation)
美式稱呼 簡單圖解
左方為機車前進方向
A1 0-2-2 Oo
A2 0-2-4 Ooo
1A 2-2-0 Planet oO
1A1 2-2-2 Patentee oOo
1A2 2-2-4 oOoo
2′A 4-2-0 Crampton, Norris, Jervis ooO
2′A1 4-2-2 Single Driver ooOo
2A2 4-2-4 ooOoo
3A 6-2-0 Crampton oooO
N/A 0-3-0 OOO
B 0-4-0 Four-Wheel-Switcher OO
B1 0-4-2 OOo
B2′ 0-4-4 Forney OOoo
B3′ 0-4-6 OOooo
1B 2-4-0 Hanscom oOO
1′B1′ 2-4-2 Columbia oOOo
1B2′ 2-4-4 oOOoo
1B3′ 2-4-6 oOOooo
2′B 4-4-0 American, Eight-Wheeler ooOO
2′B1′ 4-4-2 Atlantic ooOOo
2′B2′ 4-4-4 Jubilee ooOOoo
2′B3′ 4-4-6 ooOOooo
C 0-6-0 Six-Wheel-Switcher OOO
C1 0-6-2 OOOo
C2′ 0-6-4 OOOoo
1′C 2-6-0 Mogul oOOO
1′C1′ 2-6-2 Prairie oOOOo
1′C2′ 2-6-4 Adriatic oOOOoo
1′C3′ 2-6-6 oOOOooo
2′C 4-6-0 Ten-Wheeler ooOOO
2′C1′ 4-6-2 Pacific ooOOOo
2′C2′ 4-6-4 Hudson, Baltic ooOOOoo
D 0-8-0 Eight-Wheel-Switcher OOOO
D1 0-8-2 OOOOo
D2′ 0-8-4 OOOOoo
D3′ 0-8-6 OOOOooo
1′D 2-8-0 Consolidation oOOOO
1′D1′ 2-8-2 Mikado oOOOOo
1′D1′ 2-8-2T MacArthur oOOOOo
(1′D1′)(1′D1′) 2-8-2+2-8-2 Double Mikado, Garrett oOOOOo+oOOOOo
1′D2′ 2-8-4 Berkshire oOOOOoo
1′D3′ 2-8-6 oOOOOooo
2′D 4-8-0 Twelve-Wheeler, Mastodon ooOOOO
2′D1′ 4-8-2 Mountain, Mohawk (NYC) ooOOOOo
2′D2′ 4-8-4 Northern, General Service (SP), Golden State (SP), Niagara (NYC), Wyoming ooOOOOoo
2D3 4-8-6 ooOOOOooo
3′D3′ 6-8-6 nameless (Pennsylvania Railroad Steam Turbine) oooOOOOooo
E 0-10-0 Ten-Wheel Switcher OOOOO
E1′ 0-10-2 Union OOOOOo
1′E 2-10-0 Decapod oOOOOO
2′E 4-10-0 Mastodon ooOOOOO
1′E1′ 2-10-2 Santa Fe oOOOOOo
1′E2′ 2-10-4 Texas oOOOOOoo
2′E1′ 4-10-2 Southern Pacific, Overland ooOOOOOo
F 0-12-0 Pennsylvania, Twelve-Wheel-Switcher OOOOOO
1′F 2-12-0 Centipede oOOOOOO
1′F1′ 2-12-2 Javanic oOOOOOOo
2′F1′ 4-12-2 Union Pacific ooOOOOOOo
2′G2′ 4-14-4 ooOOOOOOOoo
nameless (AA) 0-2-2-0 O O
B′B 0-4-4-0 nameless (Mallet) OO OO
B′B1 0-4-4-2 nameless (Mallet) OO OOo
2′BB2′ 4-4-4-4 nameless (Pennsylvania Railroad Duplex) ooOO OOoo
3′BB3′ 6-4-4-6 oooOO OOooo
2′CB2′ 4-6-4-4 nameless (Pennsylvania Railroad Duplex) ooOOO OOoo
C′C 0-6-6-0 Erie (Mallet) OOO OOO
(1′C)C 2-6-6-0 nameless (Mallet) oOOO OOO
(1′C)C1′ 2-6-6-2 Mallet Mogul (SP), Prairie Mallet (ATSF) oOOO OOOo
(1′C)C2′ 2-6-6-4 nameless (Simple articulated) oOOO OOOoo
(2′C)C2′ 4-6-6-4 Challenger (Simple articulated) ooOOO OOOoo
(1′C)C3′ 2-6-6-6 Allegheny (Mallet/Simple articulated) oOOO OOOooo
D′D 0-8-8-0 Angus (Mallet) OOOO OOOO
(1′D)D 2-8-8-0 Bullmoose (Mallet) oOOOO OOOO
(1′D)D1′ 2-8-8-2 Chesapeake, Mallet consolidation (Mallet) oOOOO OOOOo
(1′D)D2′ 2-8-8-4 Yellowstone (Mallet/Simple articulated) oOOOO OOOOoo
(2′D)D1′ 4-8-8-2 Cab Forward (Simple articulated) ooOOOO OOOOo
(2′D)D2′ 4-8-8-4 Big Boy (Simple articulated) ooOOOO OOOOoo
(1′E)E1′ 2-10-10-2 Virginian (Mallet) oOOOOO+OOOOOo
(2′C1′)(1′C2′) 4-6-2+2-6-4 Double Pacific (Garratt) ooOOOo+oOOOoo
(2′C2′)(2′C2′) 4-6-4+4-6-4 Double Hudson (Garratt) ooOOOoo+ooOOOoo
(2′D)(D2′) 4-8-0+0-8-4 Double Mastodon (Garratt) ooOOOO+OOOOoo
(2′D1′)(1′D2′) 4-8-2+2-8-4 Double Mountain (Garratt) ooOOOOo+oOOOOoo
(2′D2′)(2′D2′) 4-8-4+4-8-4 Double Northern (Garratt) ooOOOOoo+ooOOOOoo


  1. ^ Colvin, Fred H. The railroad pocket-book: a quick reference cyclopedia of railroad information. New York, Derry-Collard; London, Locomotive Publishing Company (US-UK co-edition). 1906: L‑9.