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BT Tamping Rammer | 4046-Lbs. Force | 12-in. x 11-in. | 190 lbs. | Yanmar L48 BTR78Y
By Beton Trowel
- Regular price
- $4,960.00
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- Regular price
- $4,960.00
Estimated Shipping Time
Estimated Shipping Time
At Summit Forge Supply, we offer free standard shipping on all U.S. orders, with most orders processing within 1–2 business days and delivering in approximately 3–5 business days. We ship via trusted carriers including USPS, UPS, FedEx, and LTL freight providers, and all orders include tracking and shipment insurance. If your order is delayed, damaged, lost, or missing items, please contact us within 7 days so we can promptly assist with a replacement or refund. Returns are accepted within 30 days on unused items in original packaging, with return shipping covered by Summit Forge Supply. See full policy here: Shipping Policy
What Is Your Return Policy?
What Is Your Return Policy?
Summit Forge Supply accepts returns on eligible U.S. orders within 14 days of delivery, provided items are unused, undamaged, and in their original packaging with proof of purchase. Returns must be initiated within 7 days of receipt, and approved returns include prepaid return shipping; refunds are issued to the original payment method within up to 14 days after inspection, with a 25% restocking fee for change-of-mind returns. Defective, damaged, incorrect, or lost items qualify for a full refund or replacement at no cost to the customer when reported promptly. Custom or personalized items, perishable goods, gift cards, and downloadable products are non-returnable. See full policy here: Return Policy
How The BT Tamping Rammer (Yanmar Diesel) Compares To Other Tamping Rammer Options
Contractors evaluating jumping jack tamping rammers usually face this question: should I get the gas-powered BT rammer with a Honda GXR120 engine, this diesel Yanmar version, or a budget GXR120-powered rammer from another brand?
Here's the honest comparison:
| Feature | Budget GXR120 Rammer, Gas ($1,400-$1,900) | BT Tamping Rammer, Honda GXR120, Gas ($2,935) | BT Tamping Rammer, Yanmar L48, Diesel ($4,960) |
|---|---|---|---|
| Engine | Honda GXR120, 3.6 HP | Honda GXR120, 3.6 HP | Yanmar L48 diesel, 4.7 HP |
| Fuel Type | Gasoline | Gasoline | Diesel |
| Impact Force | 3,150-3,550 lbs/ft² | 13.7k Newton impact force | 15.7k Newton impact force |
| Impacts Per Minute | 640-680 BPM | 640-680 BPM | 640-680 BPM |
| Plate Size | 13 in. x 11 in. | 11 in. x 11.8 in. | 12.8 in. x 11 in. |
| Jump Height | 1.6-3.4 in. | 2-3 in. | 2-3 in. |
| Air Filtration | Single or dual-stage | Large air cleaner on crankcase with two stage fuel filter | Large air cleaner on crankcase with two stage fuel filter |
| Vibration Isolation | Heavy shock mounts | Large anti-vibration mounts isolate the handle | Large anti-vibration mounts isolate the handle |
| Bellow | Standard rubber, sometimes German-made | German-made polyurethane bellow, 3-year guarantee | German-made polyurethane bellow, 3-year guarantee |
| Weight | Varies, typically lighter | 167.6 lb. | 172 lb. |
| Best Suited For | Occasional light-duty compaction | Regular trench and foundation work, familiar gas fuel | Regular trench and foundation work, diesel fuel efficiency |
Why The BT Tamping Rammer (Yanmar Diesel) Is Worth The Investment
This isn't just a jumping jack tamping rammer, it's powered by a Yanmar diesel engine delivering higher 15.7k Newton impact force than the gas-powered version, giving contractors more compaction power alongside the fuel efficiency and durability that diesel engines are known for.
The BTR78Y specifically addresses the needs of contractors compacting trenches, foundations, and backfill who want the added impact force and diesel fuel economy of a Yanmar engine without sacrificing the same German-made bellow reliability found across the BT rammer line.
More Impact Force, Diesel Efficiency. The Yanmar L48 diesel engine delivers 15.7k Newton of impact force, more than the gas-powered version, while diesel fuel efficiency reduces ongoing fuel costs for contractors running the rammer regularly across trench and foundation jobs.
Built For Reliable, Comfortable Operation
The 4-stroke Yanmar L48 diesel engine delivers dependable power with a two stage fuel filter and a large air cleaner on the crankcase to extend engine life
Large anti-vibration mounts isolate the handle, reducing hand-arm vibration and improving operator comfort during extended use
The durable cast aluminum throttle lets the operator adjust speed to their preference with precision
Engineered For Long-Term Durability
All impact components are precision cast and machined for long-term durability under repeated compaction cycles
The 12.8 by 11 in. plate covers plenty of ground while remaining easy to maneuver in tight trenches and foundation work
Delivers 15.7k Newton impact force at 640 to 680 impacts per minute with a 2 to 3 in. jump during operation
Real Savings
Diesel fuel efficiency reduces ongoing fuel costs compared to the gas-powered version, especially under regular daily use
A 3-year guarantee on the German-made bellow reduces the risk of a costly and disruptive mid-season replacement
Precision cast and machined impact components reduce the frequency of part replacement compared to lower-grade rammers
Free shipping and no sales tax through Summit Forge Supply keeps the total cost down compared to buying elsewhere and paying tax and freight separately
The Bottom Line Contractors compacting trenches, foundations, and backfill who want more impact force and diesel fuel efficiency can't get that combination from the gas-powered rammer alone. The BT Tamping Rammer (Yanmar Diesel) is built with a powerful diesel engine, precision cast impact components, and a German-made bellow backed by a 3-year guarantee, so it delivers stronger compaction with lower fuel costs over time. For anyone running a rammer daily as part of trench or foundation work, this is the machine built to keep going while saving on fuel.
- Driven by a reliable 4 stroke Yanmar L48 diesel engine
- 11 by 11.8 In. plate covers plenty of ground while being easy to maneuver
- 15.7k Newton impact force at 640 to 680 impacts per minute
- 2 to 3 In. jump during operation
- Impact parts are precision cast and machined for long-term durability
- Durable cast aluminum throttle adjusts speed to operator’s preference
- Large anti-vibration mounts isolate handle for operator comfort
- Large air cleaner on crankcase, and two stage fuel filter to extend engine life
- High quality German-made polyurethane bellow with 3-year guarantee
| Equipment Type | Tamping Rammer |
| Compaction Force (Lb.) | 13,276 lb. |
| Dimensions | 12 in. L x 12 in. W x 40 in. H |
| Engine | L48 Diesel |
| Engine Brand | Yanmar |
| Horsepower | 4.7 HP |
| Impacts per Minute | 650-680 |
| Jump Height | 2-3 in. |
| Plate Size L x W (In.) | 12.8 in. L × 11 in. W |
| Warranty | 1 year, 3 year guarantee on bellow |
| Weight | 172 lb. |