Applications include large rototillers, silage compactors, heavy-duty industrial equipment, and material handling.

Features:

• One-piece iron housing for high strength, corrosion resistance and thermal capasity.
• Precision machined for exact gear mesh and bearing preload
• Precision forged gears are offered in five ratios: 1:1, 1.18:1, 1.35:1, 1.5:1 and 1.86:1
• Tapered roller bearings provide increased load capacity and bearing life
• 1.75″ input shaft and 1.75″ output shaft made of high strength steel is standard
• Serviced with 80W90 gear lubricant, run and leak tested before shipment
• The 800 Series weighs approximately 120/130 lbs. including 120 oz of lubricant

R800 Iron Drawing

Rotation Options

Ratings Chart

R800 Series - 1.75" Shaft Diameter

Ratio		Input RPM
		Power & Torque	100	540	1000
Miter	1:1 22, 22 Forged Straight Bevel	Input HP	47.56	171.29	235.29
		Output Torque*	29975	19992	14829
		Input kW	35.47	127.73	175.46
		Output Torque**	3387	2259	1675
Reducer	1.18:1 28, 33 Forged Straight Bevel	Input HP	36.62	133.71	184.98
		Output Torque*	27201	18392	13740
		Input kW	27.31	99.71	137.94
		Output Torque**	3073	2078	1552
	1.35:1 20, 27 Forged Straight Bevel	Input HP	26.47	102.47	146.32
		Output Torque*	22352	16145	12449
		Input kW	19.47	76.41	109.11
		Output Torque**	2525	1824	1407
	1.5:1 20, 30 Forged Straight Bevel	Input HP	19.51	77.85	113.27
		Output Torque*	18444	13629	10708
		Input kW	14.55	58.05	84.47
		Output Torque**	2084	1540	1210
	1.86:1 14, 26 Forged Straight Bevel	Input HP	20.45	82.74	121.42
		Output Torque*	23936	17934	14212
		Input kW	15.25	61.70	90.54
		Output Torque**	2704	2026	1606
Increaser	1:1.18 33, 28 Forged Straight Bevel	Input HP	42.26	147.16	198.34
		Output Torque*	22599	14573	10606
		Input kW	31.51	109.74	147.90
		Output Torque**	2553	1646	1198
	1:1.35 27, 20 Forged Straight Bevel	Input HP	34.40	123.09	168.50
		Output Torque*	16060	10642	7866
		Input kW	25.65	91.79	125.65
		Output Torque**	1814	1202	889
	1:1.5 30, 20 Forged Straight Bevel	Input HP	28.13	100.66	137.80
		Output Torque*	11819	7832	5790
		Input kW	20.98	75.06	102.76
		Output Torque**	1335	885	654
	1:1.86 26, 14 Forged Straight Bevel	Input HP	35.65	121.61	162.59
		Output Torque*	12098	7643	5518
		Input kW	26.58	90.69	121.25
		Output Torque**	1367	863	623

LIMITATIONS ON HORSEPOWER AND TORQUE RATINGS: The horsepower and torque ratings given here are generalizations. Different conditions for various applications may result in higher or lower horsepower capacities. Under certain conditions the maximum indicated RPM may be executed. For these reasons the ratings cannot be guaranteed for any application. Prototype testing should be conducted for each application before production.

Service Factors

	Character of Power Source Shock Load
	Electric Motor Uniform				Multi-Cylinder Engine Light Shock				Single-Cylinder Engine Medium Shock
	Duration of Service (Hours per Day)
Character of Shock Driven Machines	.5	3	10	24	.5	3	10	24	.5	3	10	24
Uniform	0.60	0.80	1.00**	1.25	0.80	1.00	1.25	1.50	1.00	1.25	1.50	1.75
Moderate	0.80	1.00	1.25	1.50	1.00	1.25	1.50	1.75	1.25	1.50	1.75	2.00
Heavy	1.25	1.50	1.75	2.00	1.50	1.75	2.00	2.25	1.50	1.75	2.25	2.50

Seal and bearing kits are available here.

Contact Superior Gearbox with any special requirements

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R800 Iron Series