Nine pumps.
One clear view.

Technical specification comparison for all nine HR concrete boom pump models.

Specification	HR21-4ZR21.2 m reach · ZR-fold	HR28-4Z27.8 m reach · Z-fold	HR38-5Z37.6 m reach · Z-fold	HR40-5RZ39.2 m reach · RZ-fold	HR43-5RZ42.2 m reach · RZ-fold	HR48-5RZ47.2 m reach · RZ-fold	HR53-5RZ52.2 m reach · RZ-fold	HR56-5RZ55.2 m reach · RZ-fold	HR60-6RZ59.2 m reach · RZ-fold
Reach and boom
Maximum vertical reach	21.2 m / 69′ 7″	27.8 m / 91′ 2″	37.6 m / 123′ 4″	39.2 m / 128′ 7″	42.2 m / 138′ 5″	47.2 m / 154′ 10″	52.2 m / 171′ 3″	55.2 m / 181′ 1″	59.2 m / 194′ 3″
Maximum horizontal reach	17.2 m / 56′ 5″	23.8 m / 78′ 1″	33.6 m / 110′ 3″	35.2 m / 115′ 6″	38.2 m / 125′ 4″	43.2 m / 141′ 9″	48 m / 157′ 6″	51.2 m / 168′ 0″	55.2 m / 181′ 1″
Boom sections	4	4	5	5	5	5	5	5	6
Boom folding	ZR-fold	Z-fold	Z-fold	RZ-fold	RZ-fold	RZ-fold	RZ-fold	RZ-fold	RZ-fold
Unfolding height	3.9 m / 12′ 10″	6.5 m / 21′ 4″	8 m / 26′ 3″	8.3 m / 27′ 3″	8.3 m / 27′ 3″	10 m / 32′ 10″	11.5 m / 37′ 9″	12.5 m / 41′ 0″	13.5 m / 44′ 3″
Rotation	370°	370°	370°	370°	370°	370°	370°	370°	370°
Setup and delivery
Maximum setup width	3.76 m / 12′ 4″	6 m / 19′ 8″	8 m / 26′ 3″	8.9 m / 29′ 2″	9.1 m / 29′ 10″	10.2 m / 33′ 6″	12.3 m / 40′ 4″	12.3 m / 40′ 4″	12.5 m / 41′ 0″
Front outrigger spread	3.76 m / 12′ 4″	6 m / 19′ 8″	6.3 m / 20′ 8″	6.3 m / 20′ 8″	8 m / 26′ 3″	8.9 m / 29′ 2″	9.3 m / 30′ 6″	9.3 m / 30′ 6″	11.5 m / 37′ 9″
Rear outrigger spread	2.88 m / 9′ 5″	2.8 m / 9′ 2″	8 m / 26′ 3″	8.9 m / 29′ 2″	9.1 m / 29′ 10″	10.2 m / 33′ 6″	12.3 m / 40′ 4″	12.3 m / 40′ 4″	12.5 m / 41′ 0″
Delivery pipe · inner diameter	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in
End hose length	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″	3 m / 9′ 10″ · 4 m / 13′ 1″
End hose · inner diameter	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in	125 mm / 5 in
Pumping performance
Rated output · rod side	90 m³/h / 118 yd³/h	120 m³/h / 157 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h	160 m³/h / 209 yd³/h
Rated output · piston side	56 m³/h / 73 yd³/h	75 m³/h / 98 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h	100 m³/h / 131 yd³/h
Concrete pressure · rod side	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi	70 bar / 1,015 psi
Concrete pressure · piston side	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi	112 bar / 1,624 psi
Concrete cylinder · inner diameter	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in	230 mm / 9 in
Stroke length	1,400 mm / 55 in	1,400 mm / 55 in	2,100 mm / 83 in	2,100 mm / 83 in	2,100 mm / 83 in	2,100 mm / 83 in	2,100 mm / 83 in	2,100 mm / 83 in	2,100 mm / 83 in
Drive cylinder · inner diameter	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in	130 mm / 5 in
Rod size	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in	80 mm / 3 in
Number of strokes · rod side	26 / min	34 / min	30 / min	30 / min	30 / min	30 / min	30 / min	30 / min	30 / min
Number of strokes · piston side	16 / min	21 / min	19 / min	19 / min	19 / min	19 / min	19 / min	19 / min	19 / min
Hopper capacity	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal
Hydraulics and water
Hydraulic system	Open-loop	Open-loop	Open-loop	Open-loop	Open-loop	Open-loop	Open-loop	Open-loop	Open-loop
Hydraulic system pressure	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi	350 bar / 5,076 psi
S-valve	D200 × D180 (S2018)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)	S2018 (D200 × D180)
Main pump	A11VLO260 (Rexroth)	A11VLO190 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)	A11VLO260 (Rexroth)
Water tank capacity	400 L / 106 US gal	400 L / 106 US gal	400 L / 106 US gal	400 L / 106 US gal	400 L / 106 US gal	400 L / 106 US gal	600 L / 159 US gal	600 L / 159 US gal	600 L / 159 US gal
Water pump pressure	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi	20 bar / 290 psi

Reference values are extracted from the supplied model sheets. Confirm final specifications, availability, and chassis configuration before purchase.