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JU4R Engine Series 

Click an engine model in the table below for specification data:

 MODEL

 CERTIFIED SPEED RPM & POWER kW (BHP) 

EPA NSPS Tier

 

1760

2100

2350 

2600

2800

3000

 

JU4R-UF09  

29 (39)

36 (48)

39 (52) 

 

 

 

 1

JU4R-UF11 

 

 

39 (52)

41 (55.5)

 

 

 1

JU4R-UF13 

 

 

40 (53) 

42 (56.5) 

50 (66.5)

50 (66.5) 

 1

JU4R-UF19 

44 (58.5)

48 (64.5)

51 (68)

 

 

 

 1

JU4R-UF21 

 

 

51 (68)

53 (70.5) 

 

 

 1

JU4R-UF23 

 

 

52 (70)

54 (72.5) 

57 (76.5)

58 (78)

 1

JU4R-UF40 

70 (94)

78 (105) 

79 (106) 

 

 

 

 1

JU4R-UF49 

79 (106) 

92 (123) 

87 (117)

 

 

 

 1

JU4R-UF51 

 

 

89 (119)

89 (119) 

 

 

 1

JU4R-UF53 

 

 

86.5 (116)

98 (131)

101 (135)

99 (133)

 1

Questions or comments? Drop us an email at info@clarkefire.com

Need replacement parts? Drop us an email at  parts@clarkefire.com