AUTO-CHE

Yutong city bus

Page 1 of 23

#1

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6570GCN6Fuel type:natural gas
Engine:YC4D140N-50; YC4D120N-50Passenger capacity:19/10-18
Displacement (cc):4214; 4214Wheelbase (mm):3100
Power (kW):103; 88Dimensions (mm):5995 × 2240 × 2830/2970/30...
Yutong

#2

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:WP7.240E50; YC6J220-50;...Passenger capacity:97/10-41, 92/10-41, 84/10-...
Displacement (cc):7140; 6500; 6500; 7800;...Wheelbase (mm):5200, 5100
Power (kW):176; 162; 180; 177; 180;...Dimensions (mm):10500 × 2500 × 3050/3200
Fuel type:diesel fuelGross weight (kg):16500, 15000
Yutong

#3

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6570GCD2Fuel type:diesel fuel
Engine:YC4FA130-50; WP3Q130E50Passenger capacity:33/10-19, 33/10-16
Displacement (cc):2982; 2970Wheelbase (mm):3100
Power (kW):95; 96Dimensions (mm):5995 × 2240 × 2835/2875/29...
Yutong

#4

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6791GCN5Fuel type:natural gas
Engine:NQ160CN5; YC4D140N-50;...Passenger capacity:60/15-30
Displacement (cc):4750; 4214; 4730Wheelbase (mm):3800
Power (kW):118; 103; 118Dimensions (mm):8180 × 2450 × 3040/3140
Yutong

#5

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6735GCR2Fuel type:diesel fuel
Engine:WP4.1Q160E50; YC4EG160-50;...Passenger capacity:58/10-27, 53/10-27, 51/10-...
Displacement (cc):4088; 4730; 3767Wheelbase (mm):3500
Power (kW):115; 118; 118Dimensions (mm):7700 × 2350 × 3030/3140
Yutong

#6

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6825GCRN2Fuel type:natural gas
Engine:WP5NG180E50; YC4G180N-50;...Passenger capacity:57/10-31, 52/10-31, 46/10-...
Displacement (cc):4760; 5200; 5308Wheelbase (mm):4200
Power (kW):132; 132; 132Dimensions (mm):8545 × 2500 × 2895/3050/32...
Yutong

#7

Yutong logo (batch #291)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6570GCD1Fuel type:diesel fuel
Engine:YC4FA115-50; YC4FA130-50;...Passenger capacity:19/10-18, 19/10-16
Displacement (cc):2982; 2982; 2970Wheelbase (mm):3100
Power (kW):85; 95; 96Dimensions (mm):5995 × 2240 × 2835/2985/28...
Yutong

#8

Yutong logo (batch #290)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:WP7.240E50; WP7.270E50;...Passenger capacity:109/10-49, 101/10-49,...
Displacement (cc):7140; 7140; 8424Wheelbase (mm):6100, 5875
Power (kW):176; 199; 206Dimensions (mm):12000 × 2550 × 3200/3050
Fuel type:diesel fuelGross weight (kg):18000
Yutong

#9

Yutong logo (batch #290)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6G260N-50; WP7NG260E50;...Passenger capacity:104/10-49, 93/10-49,...
Displacement (cc):7800; 7140; 8270; 8600;...Wheelbase (mm):6100, 5875
Power (kW):191; 191; 184; 195; 206;...Dimensions (mm):12000 × 2550 × 3200/3050/3...
Fuel type:natural gasGross weight (kg):18000
Yutong

#10

Yutong logo (batch #290)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6895GCRN2Fuel type:natural gas
Engine:YC6J210N-52; YC6J190N-52;...Passenger capacity:64/10-35, 58/10-35, 52/10-...
Displacement (cc):6494; 6494; 6750; 7130;...Wheelbase (mm):4600
Power (kW):155; 140; 155; 158; 155Dimensions (mm):9295 × 2500 × 3050/3200/33...
Yutong

#11

Yutong logo (batch #289)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6620GCN5Fuel type:natural gas
Engine:NQ140BN5; YC4D140N-50Passenger capacity:35/10-21, 35/10-19
Displacement (cc):3759; 4214Wheelbase (mm):3300
Power (kW):103; 103Dimensions (mm):6610 × 2240 × 3000/2830/31...
Yutong

#12

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC4G180N-50Passenger capacity:67/10-29, 62/10-29, 58/10-...
Displacement (cc):5200Wheelbase (mm):3850
Power (kW):132Dimensions (mm):8250 × 2350 × 2980/3105/32...
Fuel type:natural gasGross weight (kg):12000
Yutong

#13

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC4G180-50Passenger capacity:72/10-29, 67/10-29
Displacement (cc):5200Wheelbase (mm):3850
Power (kW):132Dimensions (mm):8250 × 2350 × 2980/3105
Fuel type:diesel fuelGross weight (kg):12000
Yutong

#14

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC4G180N-50Passenger capacity:76/10-30, 71/10-30, 67/10-...
Displacement (cc):5200Wheelbase (mm):4050
Power (kW):132Dimensions (mm):8500 × 2500 × 3050/3200/34...
Fuel type:natural gasGross weight (kg):13000
Yutong

#15

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:ISB6.7E6250BPassenger capacity:110/10-49, 98/10-49
Displacement (cc):6700Wheelbase (mm):6100
Power (kW):186Dimensions (mm):12000 × 2550 × 3050/3200
Fuel type:diesel fuelGross weight (kg):18000
Yutong

#16

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6825GCR2Fuel type:diesel fuel
Engine:YC4G180-50; WP5.180E51Passenger capacity:66/10-31, 61/10-31, 56/10-...
Displacement (cc):5200; 4980Wheelbase (mm):4200
Power (kW):132; 132Dimensions (mm):8545 × 2500 × 3050/3200
Yutong

#17

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6570GCD2Fuel type:diesel fuel
Engine:YC4FA130-50; WP3Q130E50Passenger capacity:33/10-19, 33/10-16
Displacement (cc):2982; 2970Wheelbase (mm):3100
Power (kW):95; 96Dimensions (mm):5995 × 2240 × 2835/2875/29...
Yutong

#18

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6L280N-52Passenger capacity:72/24-53, 61/24-53
Displacement (cc):8424Wheelbase (mm):5400
Power (kW):206Dimensions (mm):10580 × 2500 × 4160
Fuel type:natural gasGross weight (kg):18000
Yutong

#19

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6570GCN6Fuel type:natural gas
Engine:YC4D140N-50; YC4D120N-50Passenger capacity:19/10-18
Displacement (cc):4214; 4214Wheelbase (mm):3100
Power (kW):103; 88Dimensions (mm):5995 × 2240 × 2830/2970/30...
Yutong

#20

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6550GCD1Fuel type:diesel fuel
Engine:YC4FA115-40; YC4FA130-40Passenger capacity:19/10-18
Displacement (cc):2982; 2982Wheelbase (mm):3100
Power (kW):85; 95Dimensions (mm):5995 × 2240 × 2830/2970
Yutong

#21

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6785GCRN2Fuel type:natural gas
Engine:WP5NG180E50; YC4G180N-50;...Passenger capacity:47/10-27, 42/10-27, 38/10-...
Displacement (cc):4760; 5200; 5308; 4295Wheelbase (mm):3800
Power (kW):132; 132; 132; 118Dimensions (mm):8160 × 2350 × 3030/3140/32...
Yutong

#22

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:WP7.240E50; YC6L260-50;...Passenger capacity:92/10-45, 87/10-45, 81/10-...
Displacement (cc):7140; 8424; 7800; 7800;...Wheelbase (mm):5800
Power (kW):176; 191; 177; 199; 199Dimensions (mm):11500 × 2550 × 3200/3050
Fuel type:diesel fuelGross weight (kg):16500
Yutong

#23

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6895GCR2Fuel type:diesel fuel
Engine:WP7.210E50; YC6J200-50;...Passenger capacity:79/10-35, 73/10-35, 67/10-...
Displacement (cc):7140; 6500; 6500; 6750;...Wheelbase (mm):4600
Power (kW):155; 147; 162; 147; 149Dimensions (mm):9295 × 2500 × 3050/3200
Yutong

#24

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:WP7.240E50; YC6J220-50;...Passenger capacity:97/10-41, 92/10-41, 84/10-...
Displacement (cc):7140; 6500; 6500; 7800;...Wheelbase (mm):5200, 5100
Power (kW):176; 162; 180; 177; 180;...Dimensions (mm):10500 × 2500 × 3050/3200
Fuel type:diesel fuelGross weight (kg):16500, 15000
Yutong

#25

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6865GCRN2Fuel type:natural gas
Engine:YC6J210N-52; YC6J190N-52;...Passenger capacity:66/10-31, 61/10-31, 55/10-...
Displacement (cc):6494; 6494; 6750; 7130;...Wheelbase (mm):4300
Power (kW):155; 140; 155; 158; 155;...Dimensions (mm):8995 × 2500 × 3050/3200/33...
Yutong

#26

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6865GCR2Fuel type:diesel fuel
Engine:WP7.210E50; YC6J200-50;...Passenger capacity:72/10-31, 66/10-31, 61/10-...
Displacement (cc):7140; 6500; 6750Wheelbase (mm):4300
Power (kW):155; 147; 147Dimensions (mm):8995 × 2500 × 3200/3050
Yutong

#27

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6895GCR1Fuel type:diesel fuel
Engine:WP7.210E40; YC6J220-42;...Passenger capacity:69/10-35, 62/10-35, 69/10-...
Displacement (cc):7140; 6500; 6740; 6500Wheelbase (mm):4600
Power (kW):155; 162; 150; 147Dimensions (mm):9295 × 2500 × 3050/3200
Yutong

#28

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6825GCR1Fuel type:diesel fuel
Engine:YC4G180-40; CA4DL1-18E4;...Passenger capacity:65/10-31, 58/10-31
Displacement (cc):5200; 5130; 4760Wheelbase (mm):4200
Power (kW):132; 138; 132Dimensions (mm):8545 × 2500 × 3050/3200
Yutong

#29

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6L260N-52; YC6L280N-52Passenger capacity:92/24-66, 82/24-66
Displacement (cc):8424; 8424Wheelbase (mm):5400
Power (kW):191; 206Dimensions (mm):10500 × 2500 × 4160
Fuel type:natural gasGross weight (kg):18000
Yutong

#30

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6700GCD2Fuel type:diesel fuel
Engine:YC4S140-48; YC4D130-45Passenger capacity:52/10-28, 52/10-25
Displacement (cc):3767; 4214Wheelbase (mm):3300
Power (kW):103; 96Dimensions (mm):7320 × 2400 × 3000/3150/32...
Yutong

#31

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6550GCD1Fuel type:diesel fuel
Engine:YC4FA115-40; YC4FA130-40Passenger capacity:33/10-19
Displacement (cc):2982; 2982Wheelbase (mm):3100
Power (kW):85; 95Dimensions (mm):5995 × 2240 × 2830/2970
Yutong

#32

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6121CR1Fuel type:diesel fuel
Engine:YC6L310-42; WP7.300E40Passenger capacity:87/10-56, 87/10-54
Displacement (cc):8424; 7140Wheelbase (mm):6050
Power (kW):228; 220Dimensions (mm):12000 × 2550 × 3205/3400
Yutong

#33

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6L260-42; YC6L280-42Passenger capacity:93/24-70, 84/24-70
Displacement (cc):8424; 8424Wheelbase (mm):5400
Power (kW):191; 206Dimensions (mm):10500 × 2500 × 4160
Fuel type:diesel fuelGross weight (kg):18000
Yutong

#34

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6791GCN5Fuel type:natural gas
Engine:NQ160CN5; YC4D140N-50;...Passenger capacity:60/15-30
Displacement (cc):4750; 4214; 4730Wheelbase (mm):3800
Power (kW):118; 103; 118Dimensions (mm):8180 × 2450 × 3040/3140
Yutong

#35

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6791GCD2Fuel type:diesel fuel
Engine:YC4S150-48Passenger capacity:60/15-30
Displacement (cc):3767Wheelbase (mm):3800
Power (kW):110Dimensions (mm):8180 × 2450 × 3040/3140
Yutong

#36

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6J210N-52; WP7NG240E50;...Passenger capacity:89/10-41, 82/10-41, 78/10-...
Displacement (cc):6494; 7140; 7800; 7130;...Wheelbase (mm):5200, 5100
Power (kW):155; 177; 170; 173; 170;...Dimensions (mm):10500 × 2500 × 3200/3050/3...
Fuel type:natural gasGross weight (kg):16500, 15000
Yutong

#37

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6700GCN5Fuel type:natural gas
Engine:NQ140BN5; YC4D140N-50Passenger capacity:52/10-27, 52/10-25, 50/10-...
Displacement (cc):3759; 4214Wheelbase (mm):3300
Power (kW):103; 103Dimensions (mm):7320 × 2400 × 3000/3150/33...
Yutong

#38

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6G260N-50; WP7NG260E50;...Passenger capacity:81/10-45, 76/10-45, 69/10-...
Displacement (cc):7800; 7140; 8600; 8270;...Wheelbase (mm):5800
Power (kW):191; 191; 195; 184; 170Dimensions (mm):11500 × 2550 × 3050/3200/3...
Fuel type:natural gasGross weight (kg):16500
Yutong

#39

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6100GCN6Fuel type:natural gas
Engine:NQ190DN5; WP5NG200E51Passenger capacity:77/15-41, 73/15-41
Displacement (cc):5638; 4980Wheelbase (mm):5000
Power (kW):140; 147Dimensions (mm):10440 × 2500 × 3180/3320/3...
Yutong

#40

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6735GCR1Fuel type:diesel fuel
Engine:CA4DF4-15E4; YC4E160-42;...Passenger capacity:58/10-27, 53/10-27
Displacement (cc):4750; 4260; 4730; 4200;...Wheelbase (mm):3500
Power (kW):112; 118; 118; 103; 103Dimensions (mm):7700 × 2350 × 3030/3140
Yutong

#41

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6G240-40; YC6G270-40;...Passenger capacity:92/10-48, 84/10-48, 81/10-...
Displacement (cc):7800; 7800; 8424; 7140;...Wheelbase (mm):5800
Power (kW):177; 199; 191; 176; 180Dimensions (mm):11500 × 2550 × 3200/3050
Fuel type:diesel fuelGross weight (kg):16500
Yutong

#42

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6L280-42; YC6L260-42;...Passenger capacity:98/10-49, 110/10-49,...
Displacement (cc):8424; 8424; 7700; 7800;...Wheelbase (mm):6000, 6100, 5875
Power (kW):206; 191; 195; 199; 184;...Dimensions (mm):12000 × 2550 × 3200/3050
Fuel type:diesel fuelGross weight (kg):18000
Yutong

#43

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6J245-42; YC6J220-42;...Passenger capacity:97/10-41, 92/10-41, 74/10-...
Displacement (cc):6500; 6500; 7800; 6740;...Wheelbase (mm):5200, 5100
Power (kW):180; 162; 177; 180; 176;...Dimensions (mm):10500 × 2500 × 3200/3050
Fuel type:diesel fuelGross weight (kg):16500, 15000
Yutong

#44

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC4G180-50Passenger capacity:75/10-30, 70/10-30
Displacement (cc):5200Wheelbase (mm):4050
Power (kW):132Dimensions (mm):8500 × 2500 × 3050/3200
Fuel type:diesel fuelGross weight (kg):13000
Yutong

#45

Yutong logo (batch #288)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6129GCRA9Fuel type:diesel fuel
Engine:ISBE4+250B; YC6L280-42;...Passenger capacity:92/10-49, 86/10-49
Displacement (cc):6700; 8424; 7800Wheelbase (mm):6100
Power (kW):184; 206; 199Dimensions (mm):11927 × 2500 × 3265/3075
Yutong

#46

Yutong logo (batch #285)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6700GCD5XN1Fuel type:liquefied natural gas
Engine:YC4D120N-50Passenger capacity:66/10-25
Displacement (cc):4214Wheelbase (mm):3300
Power (kW):88Dimensions (mm):7320 × 2400 × 3150
Yutong

#47

Yutong logo (batch #285)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Engine:YC6J210N-52Passenger capacity:76/10-34
Displacement (cc):6494Wheelbase (mm):5100
Power (kW):155Dimensions (mm):10500 × 2500 × 3050/3200
Fuel type:liquefied natural gasGross weight (kg):16500
Yutong

#48

Yutong logo (batch #285)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6865GCR1Fuel type:diesel fuel
Engine:WP7.210E40; CA6DF4-20E4;...Passenger capacity:72/10-31, 66/10-31, 72/10-...
Displacement (cc):7140; 6740; 6500Wheelbase (mm):4300
Power (kW):155; 150; 147Dimensions (mm):8995 × 2500 × 3200/3050
Yutong

#49

Yutong logo (batch #285)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6980GCRN2Fuel type:natural gas
Engine:YC6G260N-50Passenger capacity:51/24-41
Displacement (cc):7800Wheelbase (mm):5100
Power (kW):191Dimensions (mm):10075 × 2500 × 3495
Yutong

#50

Yutong logo (batch #285)

Yutong city bus manufactured in China
Manufacturer:Zhengzhou Yutong Bus Co., Ltd. (China)
Chassis:ZK6860GCN5Fuel type:natural gas
Engine:NQ160CN5Passenger capacity:69/10-36, 66/10-36, 69/10-...
Displacement (cc):4750Wheelbase (mm):4300
Power (kW):118Dimensions (mm):8995 × 2430 × 3010/3120
Yutong