Overview
The Schramm HT300B is a powerful industrial tractor featuring a 120 hp Detroit Diesel 4-71 engine and a hydraulic drive transmission with infinite gears across three ranges. Built for heavy-duty performance, this 15,500-lb machine comes standard with a cab and is designed to accommodate a backhoe attachment for versatile worksite utility.
Ideal Applications
Excavation and Utility Work:
With a 15,500 lb operating weight including a backhoe and counter-weight, this tractor is purpose-built for digging and industrial earthmoving tasks.
Heavy-Duty Industrial Operations:
The 120 hp diesel engine paired with a 26 gpm hydraulic pump flow provides the necessary power and fluid capacity to operate demanding hydraulic attachments.
All-Weather Material Handling:
The standard climate-controlled cab with an available heater allows operators to maintain productivity in various environments while utilizing the infinite forward and reverse hydraulic drive.
Production
| Description | Industrial tractor |
|---|---|
| Manufacturer | Schramm |
Engine
| Engine type | Detroit Diesel 4.6L 4-cyl diesel |
|---|---|
| Air cleaner | dry |
| Bore/Stroke | 4.50x5.00 inches (114 x 127 mm) |
| Coolant capacity | 56 qts (53.0 L) |
| Description | Detroit Diesel 4-71 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 283.7 ci (4.6 L) |
| Power | 120 hp (89.5 kW) |
| Rated RPM | 1700 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Description | hydraulic drive |
|---|---|
| Gears | infinite forward and reverse (3-range) |
| Transmission | 45M |
| Type | hydraulic drive |
Mechanical
| Cab | Cab standard with available heater. |
|---|---|
| Description | Power steering |
| Drive type | Two-wheel drive |
Capacity
| Fuel | 60 gal (227.1 L) |
|---|---|
| Hydraulic system | 18 gal (tractor) (68.1 L) |
Hydraulics
| Capacity | 18 gal (tractor) (68.1 L) |
|---|---|
| Pump flow | 26 gpm (98.4 lpm) |
Electrical
| Batteries | 4 |
|---|---|
| Battery AH | 172 |
| Battery volts | 12 |
| Charging system | alternator |
Dimensions & Tires
| Clearance (front axle) | 13 inches (33 cm) |
|---|---|
| Front tread | 68 inches (172 cm) |
| Length | 167.6 inches (tractor) (425 cm) |
| Rear tread | 67.2 inches (170 cm) |
| Weight | 15500 lbs*Weight with backhoe and counter-weight. (7030 kg) |
| Wheelbase | 111.9 inches (284 cm) |
| Width | 85.5 inches (217 cm) |
| Front tire | 11Lx16 |
| Rear tire | 18.4x24 |
| Weight | 15500 lbs (7030 kg) |
| Wheelbase | 111.9 inches (284 cm) |
| Industrial front | 11Lx16 |
| Industrial rear | 18.4x24 |
References
| Description | HT300B Pneumatractor published in 1979, by Schramm / HT300B Pneumatractor published in 1984, by Schramm / HT450 Pneumatractor published in 1979, by Schramm |
|---|
Schramm HT300B Height
| Cab | 103.5 inches (262 cm) |
|---|---|
| Exhaust | 91 inches (231 cm) |
| Hood | 66.25 inches (168 cm) |
| Steering wheel | 72.75 inches (184 cm) |
Schramm HT300B attachments
| Description | backhoe |
|---|